Finding the Fourth Proportional to 127,109.88, 175,338.72 and 79,280.19

Step by Step Solution

1. Step 1: Write the proportion equation
   127,109.88 : 175,338.72 = 79,280.19 : x
2. Step 2: Convert to fraction form
   127,109.88/175,338.72 = 79,280.19/x
3. Step 3: Cross multiply
   127,109.88x = 175,338.72 × 79,280.19
4. Step 4: Simplify right side
   127,109.88x = 13,900,887,035.96
5. Step 5: Solve for x
   x = 13,900,887,035.96/127,109.88
6. Step 6: Final answer
   x = 109,361.18