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Finding the Fourth Proportional to 312,320.65, 468,472.47 and 87,682.95

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Solution

The fourth proportional to 312,320.65, 468,472.47 and 87,682.95 is: 131,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,320.65 : 468,472.47 = 87,682.95 : x
  2. Step 2: Convert to fraction form
    312,320.65/468,472.47 = 87,682.95/x
  3. Step 3: Cross multiply
    312,320.65x = 468,472.47 × 87,682.95
  4. Step 4: Simplify right side
    312,320.65x = 41,077,045,382.61
  5. Step 5: Solve for x
    x = 41,077,045,382.61/312,320.65
  6. Step 6: Final answer
    x = 131,522.03

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