Finding the Fourth Proportional to 111,729.26, 154,189.42 and 60,745.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,729.26 : 154,189.42 = 60,745.42 : x
2. Step 2: Convert to fraction form
   111,729.26/154,189.42 = 60,745.42/x
3. Step 3: Cross multiply
   111,729.26x = 154,189.42 × 60,745.42
4. Step 4: Simplify right side
   111,729.26x = 9,366,301,077.46
5. Step 5: Solve for x
   x = 9,366,301,077.46/111,729.26
6. Step 6: Final answer
   x = 83,830.33