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Finding the Fourth Proportional to 264,887.10, 396,985.05 and 122,715.90

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Solution

The fourth proportional to 264,887.10, 396,985.05 and 122,715.90 is: 183,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,887.10 : 396,985.05 = 122,715.90 : x
  2. Step 2: Convert to fraction form
    264,887.10/396,985.05 = 122,715.90/x
  3. Step 3: Cross multiply
    264,887.10x = 396,985.05 × 122,715.90
  4. Step 4: Simplify right side
    264,887.10x = 48,716,377,697.30
  5. Step 5: Solve for x
    x = 48,716,377,697.30/264,887.10
  6. Step 6: Final answer
    x = 183,913.74

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