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Finding the Fourth Proportional to 341,124.40, 511,686.60 and 91,806.40

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Solution

The fourth proportional to 341,124.40, 511,686.60 and 91,806.40 is: 137,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,124.40 : 511,686.60 = 91,806.40 : x
  2. Step 2: Convert to fraction form
    341,124.40/511,686.60 = 91,806.40/x
  3. Step 3: Cross multiply
    341,124.40x = 511,686.60 × 91,806.40
  4. Step 4: Simplify right side
    341,124.40x = 46,976,104,674.24
  5. Step 5: Solve for x
    x = 46,976,104,674.24/341,124.40
  6. Step 6: Final answer
    x = 137,709.60

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