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Finding the Fourth Proportional to 208,411.65, 312,635.97 and 58,653.18

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Solution

The fourth proportional to 208,411.65, 312,635.97 and 58,653.18 is: 87,984.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,411.65 : 312,635.97 = 58,653.18 : x
  2. Step 2: Convert to fraction form
    208,411.65/312,635.97 = 58,653.18/x
  3. Step 3: Cross multiply
    208,411.65x = 312,635.97 × 58,653.18
  4. Step 4: Simplify right side
    208,411.65x = 18,337,093,822.88
  5. Step 5: Solve for x
    x = 18,337,093,822.88/208,411.65
  6. Step 6: Final answer
    x = 87,984.98

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