Finding the Fourth Proportional to 111,233.72, 153,530 and 63,514.74

Step by Step Solution

1. Step 1: Write the proportion equation
   111,233.72 : 153,530 = 63,514.74 : x
2. Step 2: Convert to fraction form
   111,233.72/153,530 = 63,514.74/x
3. Step 3: Cross multiply
   111,233.72x = 153,530 × 63,514.74
4. Step 4: Simplify right side
   111,233.72x = 9,751,418,032.20
5. Step 5: Solve for x
   x = 9,751,418,032.20/111,233.72
6. Step 6: Final answer
   x = 87,666.02