Finding the Fourth Proportional to 111,700.26, 154,147.39 and 60,713.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,700.26 : 154,147.39 = 60,713.10 : x
2. Step 2: Convert to fraction form
   111,700.26/154,147.39 = 60,713.10/x
3. Step 3: Cross multiply
   111,700.26x = 154,147.39 × 60,713.10
4. Step 4: Simplify right side
   111,700.26x = 9,358,766,185.57
5. Step 5: Solve for x
   x = 9,358,766,185.57/111,700.26
6. Step 6: Final answer
   x = 83,784.64