Finding the Fourth Proportional to 102,938.04, 141,759.72 and 88,481.16

Step by Step Solution

1. Step 1: Write the proportion equation
   102,938.04 : 141,759.72 = 88,481.16 : x
2. Step 2: Convert to fraction form
   102,938.04/141,759.72 = 88,481.16/x
3. Step 3: Cross multiply
   102,938.04x = 141,759.72 × 88,481.16
4. Step 4: Simplify right side
   102,938.04x = 12,543,064,466.88
5. Step 5: Solve for x
   x = 12,543,064,466.88/102,938.04
6. Step 6: Final answer
   x = 121,850.62