Finding the Fourth Proportional to 112,863.27, 155,719.80 and 88,915.62

Step by Step Solution

1. Step 1: Write the proportion equation
   112,863.27 : 155,719.80 = 88,915.62 : x
2. Step 2: Convert to fraction form
   112,863.27/155,719.80 = 88,915.62/x
3. Step 3: Cross multiply
   112,863.27x = 155,719.80 × 88,915.62
4. Step 4: Simplify right side
   112,863.27x = 13,845,922,563.28
5. Step 5: Solve for x
   x = 13,845,922,563.28/112,863.27
6. Step 6: Final answer
   x = 122,678.73