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Finding the Fourth Proportional to 66,906.34, 100,376.39 and 47,223.34

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Solution

The fourth proportional to 66,906.34, 100,376.39 and 47,223.34 is: 70,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,906.34 : 100,376.39 = 47,223.34 : x
  2. Step 2: Convert to fraction form
    66,906.34/100,376.39 = 47,223.34/x
  3. Step 3: Cross multiply
    66,906.34x = 100,376.39 × 47,223.34
  4. Step 4: Simplify right side
    66,906.34x = 4,740,108,156.83
  5. Step 5: Solve for x
    x = 4,740,108,156.83/66,906.34
  6. Step 6: Final answer
    x = 70,846.92

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