Finding the Fourth Proportional to 59,787.84, 82,464.72 and 39,345.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59,787.84 : 82,464.72 = 39,345.12 : x
2. Step 2: Convert to fraction form
   59,787.84/82,464.72 = 39,345.12/x
3. Step 3: Cross multiply
   59,787.84x = 82,464.72 × 39,345.12
4. Step 4: Simplify right side
   59,787.84x = 3,244,584,304.17
5. Step 5: Solve for x
   x = 3,244,584,304.17/59,787.84
6. Step 6: Final answer
   x = 54,268.30