Finding the Fourth Proportional to 111,630.24, 154,049.10 and 60,642.53

Step by Step Solution

1. Step 1: Write the proportion equation
   111,630.24 : 154,049.10 = 60,642.53 : x
2. Step 2: Convert to fraction form
   111,630.24/154,049.10 = 60,642.53/x
3. Step 3: Cross multiply
   111,630.24x = 154,049.10 × 60,642.53
4. Step 4: Simplify right side
   111,630.24x = 9,341,927,168.22
5. Step 5: Solve for x
   x = 9,341,927,168.22/111,630.24
6. Step 6: Final answer
   x = 83,686.35