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Finding the Fourth Proportional to 92,977.37, 128,308.13 and 50,535.90

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Solution

The fourth proportional to 92,977.37, 128,308.13 and 50,535.90 is: 69,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,977.37 : 128,308.13 = 50,535.90 : x
  2. Step 2: Convert to fraction form
    92,977.37/128,308.13 = 50,535.90/x
  3. Step 3: Cross multiply
    92,977.37x = 128,308.13 × 50,535.90
  4. Step 4: Simplify right side
    92,977.37x = 6,484,166,826.87
  5. Step 5: Solve for x
    x = 6,484,166,826.87/92,977.37
  6. Step 6: Final answer
    x = 69,739.19

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