Finding the Fourth Proportional to 88,196.43, 121,711.92 and 47,910.98

Step by Step Solution

1. Step 1: Write the proportion equation
   88,196.43 : 121,711.92 = 47,910.98 : x
2. Step 2: Convert to fraction form
   88,196.43/121,711.92 = 47,910.98/x
3. Step 3: Cross multiply
   88,196.43x = 121,711.92 × 47,910.98
4. Step 4: Simplify right side
   88,196.43x = 5,831,337,302.57
5. Step 5: Solve for x
   x = 5,831,337,302.57/88,196.43
6. Step 6: Final answer
   x = 66,117.61