Finding the Fourth Proportional to 144,026.72, 198,759.20 and 79,499.04

Step by Step Solution

1. Step 1: Write the proportion equation
   144,026.72 : 198,759.20 = 79,499.04 : x
2. Step 2: Convert to fraction form
   144,026.72/198,759.20 = 79,499.04/x
3. Step 3: Cross multiply
   144,026.72x = 198,759.20 × 79,499.04
4. Step 4: Simplify right side
   144,026.72x = 15,801,165,591.17
5. Step 5: Solve for x
   x = 15,801,165,591.17/144,026.72
6. Step 6: Final answer
   x = 109,709.96