Finding the Fourth Proportional to 111,772.10, 154,246.53 and 60,785.31

Step by Step Solution

1. Step 1: Write the proportion equation
   111,772.10 : 154,246.53 = 60,785.31 : x
2. Step 2: Convert to fraction form
   111,772.10/154,246.53 = 60,785.31/x
3. Step 3: Cross multiply
   111,772.10x = 154,246.53 × 60,785.31
4. Step 4: Simplify right side
   111,772.10x = 9,375,923,142.47
5. Step 5: Solve for x
   x = 9,375,923,142.47/111,772.10
6. Step 6: Final answer
   x = 83,884.29