Finding the Fourth Proportional to 111,081.87, 153,133.53 and 79,195.41

Step by Step Solution

1. Step 1: Write the proportion equation
   111,081.87 : 153,133.53 = 79,195.41 : x
2. Step 2: Convert to fraction form
   111,081.87/153,133.53 = 79,195.41/x
3. Step 3: Cross multiply
   111,081.87x = 153,133.53 × 79,195.41
4. Step 4: Simplify right side
   111,081.87x = 12,127,472,693.10
5. Step 5: Solve for x
   x = 12,127,472,693.10/111,081.87
6. Step 6: Final answer
   x = 109,175.99