Finding the Fourth Proportional to 111,069.48, 153,116.40 and 79,183.04

Step by Step Solution

1. Step 1: Write the proportion equation
   111,069.48 : 153,116.40 = 79,183.04 : x
2. Step 2: Convert to fraction form
   111,069.48/153,116.40 = 79,183.04/x
3. Step 3: Cross multiply
   111,069.48x = 153,116.40 × 79,183.04
4. Step 4: Simplify right side
   111,069.48x = 12,124,222,025.86
5. Step 5: Solve for x
   x = 12,124,222,025.86/111,069.48
6. Step 6: Final answer
   x = 109,158.90