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Finding the Fourth Proportional to 356,678.12, 534,861.64 and 134,906.60

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Solution

The fourth proportional to 356,678.12, 534,861.64 and 134,906.60 is: 202,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,678.12 : 534,861.64 = 134,906.60 : x
  2. Step 2: Convert to fraction form
    356,678.12/534,861.64 = 134,906.60/x
  3. Step 3: Cross multiply
    356,678.12x = 534,861.64 × 134,906.60
  4. Step 4: Simplify right side
    356,678.12x = 72,156,365,322.82
  5. Step 5: Solve for x
    x = 72,156,365,322.82/356,678.12
  6. Step 6: Final answer
    x = 202,301.07

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