Finding the Fourth Proportional to 88,790.72, 122,532.12 and 48,505.76

Step by Step Solution

1. Step 1: Write the proportion equation
   88,790.72 : 122,532.12 = 48,505.76 : x
2. Step 2: Convert to fraction form
   88,790.72/122,532.12 = 48,505.76/x
3. Step 3: Cross multiply
   88,790.72x = 122,532.12 × 48,505.76
4. Step 4: Simplify right side
   88,790.72x = 5,943,513,605.01
5. Step 5: Solve for x
   x = 5,943,513,605.01/88,790.72
6. Step 6: Final answer
   x = 66,938.45