Finding the Fourth Proportional to 112,613.22, 155,227.59 and 88,702.02

Step by Step Solution

1. Step 1: Write the proportion equation
   112,613.22 : 155,227.59 = 88,702.02 : x
2. Step 2: Convert to fraction form
   112,613.22/155,227.59 = 88,702.02/x
3. Step 3: Cross multiply
   112,613.22x = 155,227.59 × 88,702.02
4. Step 4: Simplify right side
   112,613.22x = 13,769,000,792.73
5. Step 5: Solve for x
   x = 13,769,000,792.73/112,613.22
6. Step 6: Final answer
   x = 122,268.07