Finding the Fourth Proportional to 111,633.26, 154,054.17 and 60,645.54

Step by Step Solution

1. Step 1: Write the proportion equation
   111,633.26 : 154,054.17 = 60,645.54 : x
2. Step 2: Convert to fraction form
   111,633.26/154,054.17 = 60,645.54/x
3. Step 3: Cross multiply
   111,633.26x = 154,054.17 × 60,645.54
4. Step 4: Simplify right side
   111,633.26x = 9,342,698,906.60
5. Step 5: Solve for x
   x = 9,342,698,906.60/111,633.26
6. Step 6: Final answer
   x = 83,691.00