Finding the Fourth Proportional to 112,617.72, 155,233.80 and 88,706.52

Step by Step Solution

1. Step 1: Write the proportion equation
   112,617.72 : 155,233.80 = 88,706.52 : x
2. Step 2: Convert to fraction form
   112,617.72/155,233.80 = 88,706.52/x
3. Step 3: Cross multiply
   112,617.72x = 155,233.80 × 88,706.52
4. Step 4: Simplify right side
   112,617.72x = 13,770,250,184.38
5. Step 5: Solve for x
   x = 13,770,250,184.38/112,617.72
6. Step 6: Final answer
   x = 122,274.28