Finding the Fourth Proportional to 111,759.31, 154,225.65 and 60,771.61

Step by Step Solution

1. Step 1: Write the proportion equation
   111,759.31 : 154,225.65 = 60,771.61 : x
2. Step 2: Convert to fraction form
   111,759.31/154,225.65 = 60,771.61/x
3. Step 3: Cross multiply
   111,759.31x = 154,225.65 × 60,771.61
4. Step 4: Simplify right side
   111,759.31x = 9,372,541,053.80
5. Step 5: Solve for x
   x = 9,372,541,053.80/111,759.31
6. Step 6: Final answer
   x = 83,863.63