Finding the Fourth Proportional to 309,629.50, 464,522.28 and 88,013.50

Step by Step Solution

1. Step 1: Write the proportion equation
   309,629.50 : 464,522.28 = 88,013.50 : x
2. Step 2: Convert to fraction form
   309,629.50/464,522.28 = 88,013.50/x
3. Step 3: Cross multiply
   309,629.50x = 464,522.28 × 88,013.50
4. Step 4: Simplify right side
   309,629.50x = 40,884,231,690.78
5. Step 5: Solve for x
   x = 40,884,231,690.78/309,629.50
6. Step 6: Final answer
   x = 132,042.43