Finding the Fourth Proportional to 141,520.16, 195,216.72 and 88,436

Step by Step Solution

1. Step 1: Write the proportion equation
   141,520.16 : 195,216.72 = 88,436 : x
2. Step 2: Convert to fraction form
   141,520.16/195,216.72 = 88,436/x
3. Step 3: Cross multiply
   141,520.16x = 195,216.72 × 88,436
4. Step 4: Simplify right side
   141,520.16x = 17,264,185,849.92
5. Step 5: Solve for x
   x = 17,264,185,849.92/141,520.16
6. Step 6: Final answer
   x = 121,991.00