Finding the Fourth Proportional to 111,514.88, 153,887.10 and 60,525.20

Step by Step Solution

1. Step 1: Write the proportion equation
   111,514.88 : 153,887.10 = 60,525.20 : x
2. Step 2: Convert to fraction form
   111,514.88/153,887.10 = 60,525.20/x
3. Step 3: Cross multiply
   111,514.88x = 153,887.10 × 60,525.20
4. Step 4: Simplify right side
   111,514.88x = 9,314,047,504.92
5. Step 5: Solve for x
   x = 9,314,047,504.92/111,514.88
6. Step 6: Final answer
   x = 83,522.91