Finding the Fourth Proportional to 112,385.88, 168,603.12 and 59,787.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,385.88 : 168,603.12 = 59,787.72 : x
2. Step 2: Convert to fraction form
   112,385.88/168,603.12 = 59,787.72/x
3. Step 3: Cross multiply
   112,385.88x = 168,603.12 × 59,787.72
4. Step 4: Simplify right side
   112,385.88x = 10,080,396,129.69
5. Step 5: Solve for x
   x = 10,080,396,129.69/112,385.88
6. Step 6: Final answer
   x = 89,694.51