Finding the Fourth Proportional to 102,797.10, 141,314.76 and 88,403.94

Step by Step Solution

1. Step 1: Write the proportion equation
   102,797.10 : 141,314.76 = 88,403.94 : x
2. Step 2: Convert to fraction form
   102,797.10/141,314.76 = 88,403.94/x
3. Step 3: Cross multiply
   102,797.10x = 141,314.76 × 88,403.94
4. Step 4: Simplify right side
   102,797.10x = 12,492,781,564.15
5. Step 5: Solve for x
   x = 12,492,781,564.15/102,797.10
6. Step 6: Final answer
   x = 121,528.54