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Finding the Fourth Proportional to 76,091.64, 104,858.43 and 54,830.76

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Solution

The fourth proportional to 76,091.64, 104,858.43 and 54,830.76 is: 75,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,091.64 : 104,858.43 = 54,830.76 : x
  2. Step 2: Convert to fraction form
    76,091.64/104,858.43 = 54,830.76/x
  3. Step 3: Cross multiply
    76,091.64x = 104,858.43 × 54,830.76
  4. Step 4: Simplify right side
    76,091.64x = 5,749,467,409.31
  5. Step 5: Solve for x
    x = 5,749,467,409.31/76,091.64
  6. Step 6: Final answer
    x = 75,559.78

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