Finding the Fourth Proportional to 89,382.88, 134,072.70 and 75,432.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,382.88 : 134,072.70 = 75,432.52 : x
2. Step 2: Convert to fraction form
   89,382.88/134,072.70 = 75,432.52/x
3. Step 3: Cross multiply
   89,382.88x = 134,072.70 × 75,432.52
4. Step 4: Simplify right side
   89,382.88x = 10,113,441,624.20
5. Step 5: Solve for x
   x = 10,113,441,624.20/89,382.88
6. Step 6: Final answer
   x = 113,147.41