Finding the Fourth Proportional to 111,040.72, 153,240.52 and 60,743.12

Step by Step Solution

1. Step 1: Write the proportion equation
   111,040.72 : 153,240.52 = 60,743.12 : x
2. Step 2: Convert to fraction form
   111,040.72/153,240.52 = 60,743.12/x
3. Step 3: Cross multiply
   111,040.72x = 153,240.52 × 60,743.12
4. Step 4: Simplify right side
   111,040.72x = 9,308,307,295.22
5. Step 5: Solve for x
   x = 9,308,307,295.22/111,040.72
6. Step 6: Final answer
   x = 83,827.87