Finding the Fourth Proportional to 88,100.43, 121,578.55 and 49,859.29

Step by Step Solution

1. Step 1: Write the proportion equation
   88,100.43 : 121,578.55 = 49,859.29 : x
2. Step 2: Convert to fraction form
   88,100.43/121,578.55 = 49,859.29/x
3. Step 3: Cross multiply
   88,100.43x = 121,578.55 × 49,859.29
4. Step 4: Simplify right side
   88,100.43x = 6,061,819,753.63
5. Step 5: Solve for x
   x = 6,061,819,753.63/88,100.43
6. Step 6: Final answer
   x = 68,805.79