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Finding the Fourth Proportional to 345,473.70, 517,040.10 and 212,438.22

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Solution

The fourth proportional to 345,473.70, 517,040.10 and 212,438.22 is: 317,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,473.70 : 517,040.10 = 212,438.22 : x
  2. Step 2: Convert to fraction form
    345,473.70/517,040.10 = 212,438.22/x
  3. Step 3: Cross multiply
    345,473.70x = 517,040.10 × 212,438.22
  4. Step 4: Simplify right side
    345,473.70x = 109,839,078,512.62
  5. Step 5: Solve for x
    x = 109,839,078,512.62/345,473.70
  6. Step 6: Final answer
    x = 317,937.60

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