Finding the Fourth Proportional to 89,881.29, 124,560.42 and 88,612.83

Step by Step Solution

1. Step 1: Write the proportion equation
   89,881.29 : 124,560.42 = 88,612.83 : x
2. Step 2: Convert to fraction form
   89,881.29/124,560.42 = 88,612.83/x
3. Step 3: Cross multiply
   89,881.29x = 124,560.42 × 88,612.83
4. Step 4: Simplify right side
   89,881.29x = 11,037,651,322.19
5. Step 5: Solve for x
   x = 11,037,651,322.19/89,881.29
6. Step 6: Final answer
   x = 122,802.55