Finding the Fourth Proportional to 112,588.72, 155,193.78 and 88,677.52

Step by Step Solution

1. Step 1: Write the proportion equation
   112,588.72 : 155,193.78 = 88,677.52 : x
2. Step 2: Convert to fraction form
   112,588.72/155,193.78 = 88,677.52/x
3. Step 3: Cross multiply
   112,588.72x = 155,193.78 × 88,677.52
4. Step 4: Simplify right side
   112,588.72x = 13,762,199,529.83
5. Step 5: Solve for x
   x = 13,762,199,529.83/112,588.72
6. Step 6: Final answer
   x = 122,234.27