Finding the Fourth Proportional to 112,587.72, 155,192.40 and 88,676.52

Step by Step Solution

1. Step 1: Write the proportion equation
   112,587.72 : 155,192.40 = 88,676.52 : x
2. Step 2: Convert to fraction form
   112,587.72/155,192.40 = 88,676.52/x
3. Step 3: Cross multiply
   112,587.72x = 155,192.40 × 88,676.52
4. Step 4: Simplify right side
   112,587.72x = 13,761,921,962.45
5. Step 5: Solve for x
   x = 13,761,921,962.45/112,587.72
6. Step 6: Final answer
   x = 122,232.89