Finding the Fourth Proportional to 111,633.19, 154,055.42 and 60,646.83

Step by Step Solution

1. Step 1: Write the proportion equation
   111,633.19 : 154,055.42 = 60,646.83 : x
2. Step 2: Convert to fraction form
   111,633.19/154,055.42 = 60,646.83/x
3. Step 3: Cross multiply
   111,633.19x = 154,055.42 × 60,646.83
4. Step 4: Simplify right side
   111,633.19x = 9,342,972,213.80
5. Step 5: Solve for x
   x = 9,342,972,213.80/111,633.19
6. Step 6: Final answer
   x = 83,693.50