Finding the Fourth Proportional to 88,800.30, 132,552.67 and 77,590.10

Step by Step Solution

1. Step 1: Write the proportion equation
   88,800.30 : 132,552.67 = 77,590.10 : x
2. Step 2: Convert to fraction form
   88,800.30/132,552.67 = 77,590.10/x
3. Step 3: Cross multiply
   88,800.30x = 132,552.67 × 77,590.10
4. Step 4: Simplify right side
   88,800.30x = 10,284,774,063.83
5. Step 5: Solve for x
   x = 10,284,774,063.83/88,800.30
6. Step 6: Final answer
   x = 115,819.14