Finding the Fourth Proportional to 88,469.08, 132,836.73 and 76,123.60

Step by Step Solution

1. Step 1: Write the proportion equation
   88,469.08 : 132,836.73 = 76,123.60 : x
2. Step 2: Convert to fraction form
   88,469.08/132,836.73 = 76,123.60/x
3. Step 3: Cross multiply
   88,469.08x = 132,836.73 × 76,123.60
4. Step 4: Simplify right side
   88,469.08x = 10,112,010,099.83
5. Step 5: Solve for x
   x = 10,112,010,099.83/88,469.08
6. Step 6: Final answer
   x = 114,299.94