Finding the Fourth Proportional to 248,729.10, 373,172.52 and 88,801.61

Step by Step Solution

1. Step 1: Write the proportion equation
   248,729.10 : 373,172.52 = 88,801.61 : x
2. Step 2: Convert to fraction form
   248,729.10/373,172.52 = 88,801.61/x
3. Step 3: Cross multiply
   248,729.10x = 373,172.52 × 88,801.61
4. Step 4: Simplify right side
   248,729.10x = 33,138,318,273.89
5. Step 5: Solve for x
   x = 33,138,318,273.89/248,729.10
6. Step 6: Final answer
   x = 133,230.56