Finding the Fourth Proportional to 112,590.66, 155,196.46 and 88,679.46

Step by Step Solution

1. Step 1: Write the proportion equation
   112,590.66 : 155,196.46 = 88,679.46 : x
2. Step 2: Convert to fraction form
   112,590.66/155,196.46 = 88,679.46/x
3. Step 3: Cross multiply
   112,590.66x = 155,196.46 × 88,679.46
4. Step 4: Simplify right side
   112,590.66x = 13,762,737,823.31
5. Step 5: Solve for x
   x = 13,762,737,823.31/112,590.66
6. Step 6: Final answer
   x = 122,236.94