Finding the Fourth Proportional to 111,158.48, 153,259.08 and 88,443.92

Step by Step Solution

1. Step 1: Write the proportion equation
   111,158.48 : 153,259.08 = 88,443.92 : x
2. Step 2: Convert to fraction form
   111,158.48/153,259.08 = 88,443.92/x
3. Step 3: Cross multiply
   111,158.48x = 153,259.08 × 88,443.92
4. Step 4: Simplify right side
   111,158.48x = 13,554,833,810.79
5. Step 5: Solve for x
   x = 13,554,833,810.79/111,158.48
6. Step 6: Final answer
   x = 121,941.52