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Finding the Fourth Proportional to 291,825.99, 437,790.83 and 99,689.94

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Solution

The fourth proportional to 291,825.99, 437,790.83 and 99,689.94 is: 149,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,825.99 : 437,790.83 = 99,689.94 : x
  2. Step 2: Convert to fraction form
    291,825.99/437,790.83 = 99,689.94/x
  3. Step 3: Cross multiply
    291,825.99x = 437,790.83 × 99,689.94
  4. Step 4: Simplify right side
    291,825.99x = 43,643,341,076.80
  5. Step 5: Solve for x
    x = 43,643,341,076.80/291,825.99
  6. Step 6: Final answer
    x = 149,552.62

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