Finding the Fourth Proportional to 99,006.48, 147,640.82 and 88,251.30

Step by Step Solution

1. Step 1: Write the proportion equation
   99,006.48 : 147,640.82 = 88,251.30 : x
2. Step 2: Convert to fraction form
   99,006.48/147,640.82 = 88,251.30/x
3. Step 3: Cross multiply
   99,006.48x = 147,640.82 × 88,251.30
4. Step 4: Simplify right side
   99,006.48x = 13,029,493,856.81
5. Step 5: Solve for x
   x = 13,029,493,856.81/99,006.48
6. Step 6: Final answer
   x = 131,602.44