Finding the Fourth Proportional to 89,385.88, 134,077.19 and 75,435.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,385.88 : 134,077.19 = 75,435.52 : x
2. Step 2: Convert to fraction form
   89,385.88/134,077.19 = 75,435.52/x
3. Step 3: Cross multiply
   89,385.88x = 134,077.19 × 75,435.52
4. Step 4: Simplify right side
   89,385.88x = 10,114,182,547.79
5. Step 5: Solve for x
   x = 10,114,182,547.79/89,385.88
6. Step 6: Final answer
   x = 113,151.90