Finding the Fourth Proportional to 108,142.53, 149,215.02 and 60,388.53

Step by Step Solution

1. Step 1: Write the proportion equation
   108,142.53 : 149,215.02 = 60,388.53 : x
2. Step 2: Convert to fraction form
   108,142.53/149,215.02 = 60,388.53/x
3. Step 3: Cross multiply
   108,142.53x = 149,215.02 × 60,388.53
4. Step 4: Simplify right side
   108,142.53x = 9,010,875,711.72
5. Step 5: Solve for x
   x = 9,010,875,711.72/108,142.53
6. Step 6: Final answer
   x = 83,324.07