Finding the Fourth Proportional to 88,647.16, 132,895.90 and 38,690.56

Step by Step Solution

1. Step 1: Write the proportion equation
   88,647.16 : 132,895.90 = 38,690.56 : x
2. Step 2: Convert to fraction form
   88,647.16/132,895.90 = 38,690.56/x
3. Step 3: Cross multiply
   88,647.16x = 132,895.90 × 38,690.56
4. Step 4: Simplify right side
   88,647.16x = 5,141,816,792.70
5. Step 5: Solve for x
   x = 5,141,816,792.70/88,647.16
6. Step 6: Final answer
   x = 58,003.18