Finding the Fourth Proportional to 111,507.89, 153,882.37 and 60,521.24

Step by Step Solution

1. Step 1: Write the proportion equation
   111,507.89 : 153,882.37 = 60,521.24 : x
2. Step 2: Convert to fraction form
   111,507.89/153,882.37 = 60,521.24/x
3. Step 3: Cross multiply
   111,507.89x = 153,882.37 × 60,521.24
4. Step 4: Simplify right side
   111,507.89x = 9,313,150,925.82
5. Step 5: Solve for x
   x = 9,313,150,925.82/111,507.89
6. Step 6: Final answer
   x = 83,520.11