Finding the Fourth Proportional to 111,538.08, 153,922.67 and 60,550.78

Step by Step Solution

1. Step 1: Write the proportion equation
   111,538.08 : 153,922.67 = 60,550.78 : x
2. Step 2: Convert to fraction form
   111,538.08/153,922.67 = 60,550.78/x
3. Step 3: Cross multiply
   111,538.08x = 153,922.67 × 60,550.78
4. Step 4: Simplify right side
   111,538.08x = 9,320,137,425.43
5. Step 5: Solve for x
   x = 9,320,137,425.43/111,538.08
6. Step 6: Final answer
   x = 83,560.14