Finding the Fourth Proportional to 111,494.43, 153,862.73 and 60,507.15

Step by Step Solution

1. Step 1: Write the proportion equation
   111,494.43 : 153,862.73 = 60,507.15 : x
2. Step 2: Convert to fraction form
   111,494.43/153,862.73 = 60,507.15/x
3. Step 3: Cross multiply
   111,494.43x = 153,862.73 × 60,507.15
4. Step 4: Simplify right side
   111,494.43x = 9,309,794,980.98
5. Step 5: Solve for x
   x = 9,309,794,980.98/111,494.43
6. Step 6: Final answer
   x = 83,500.09