Finding the Fourth Proportional to 111,080.76, 153,131.99 and 79,194.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,080.76 : 153,131.99 = 79,194.30 : x
2. Step 2: Convert to fraction form
   111,080.76/153,131.99 = 79,194.30/x
3. Step 3: Cross multiply
   111,080.76x = 153,131.99 × 79,194.30
4. Step 4: Simplify right side
   111,080.76x = 12,127,180,359.69
5. Step 5: Solve for x
   x = 12,127,180,359.69/111,080.76
6. Step 6: Final answer
   x = 109,174.45