Finding the Fourth Proportional to 112,522.88, 155,269.92 and 64,766.72

Step by Step Solution

1. Step 1: Write the proportion equation
   112,522.88 : 155,269.92 = 64,766.72 : x
2. Step 2: Convert to fraction form
   112,522.88/155,269.92 = 64,766.72/x
3. Step 3: Cross multiply
   112,522.88x = 155,269.92 × 64,766.72
4. Step 4: Simplify right side
   112,522.88x = 10,056,323,433.06
5. Step 5: Solve for x
   x = 10,056,323,433.06/112,522.88
6. Step 6: Final answer
   x = 89,371.37