Finding the Fourth Proportional to 111,182.88, 153,418.32 and 88,579.20

Step by Step Solution

1. Step 1: Write the proportion equation
   111,182.88 : 153,418.32 = 88,579.20 : x
2. Step 2: Convert to fraction form
   111,182.88/153,418.32 = 88,579.20/x
3. Step 3: Cross multiply
   111,182.88x = 153,418.32 × 88,579.20
4. Step 4: Simplify right side
   111,182.88x = 13,589,672,050.94
5. Step 5: Solve for x
   x = 13,589,672,050.94/111,182.88
6. Step 6: Final answer
   x = 122,228.10