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Finding the Fourth Proportional to 255,369.60, 383,053.37 and 77,876.09

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Solution

The fourth proportional to 255,369.60, 383,053.37 and 77,876.09 is: 116,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,369.60 : 383,053.37 = 77,876.09 : x
  2. Step 2: Convert to fraction form
    255,369.60/383,053.37 = 77,876.09/x
  3. Step 3: Cross multiply
    255,369.60x = 383,053.37 × 77,876.09
  4. Step 4: Simplify right side
    255,369.60x = 29,830,699,285.18
  5. Step 5: Solve for x
    x = 29,830,699,285.18/255,369.60
  6. Step 6: Final answer
    x = 116,813.82

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