Finding the Fourth Proportional to 111,587.24, 153,989.46 and 60,601.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,587.24 : 153,989.46 = 60,601.30 : x
2. Step 2: Convert to fraction form
   111,587.24/153,989.46 = 60,601.30/x
3. Step 3: Cross multiply
   111,587.24x = 153,989.46 × 60,601.30
4. Step 4: Simplify right side
   111,587.24x = 9,331,961,077.32
5. Step 5: Solve for x
   x = 9,331,961,077.32/111,587.24
6. Step 6: Final answer
   x = 83,629.28