Finding the Fourth Proportional to 111,504.72, 153,875.21 and 60,517.54

Step by Step Solution

1. Step 1: Write the proportion equation
   111,504.72 : 153,875.21 = 60,517.54 : x
2. Step 2: Convert to fraction form
   111,504.72/153,875.21 = 60,517.54/x
3. Step 3: Cross multiply
   111,504.72x = 153,875.21 × 60,517.54
4. Step 4: Simplify right side
   111,504.72x = 9,312,149,176.18
5. Step 5: Solve for x
   x = 9,312,149,176.18/111,504.72
6. Step 6: Final answer
   x = 83,513.50