Finding the Fourth Proportional to 127,109.38, 175,338.03 and 79,279.69

Step by Step Solution

1. Step 1: Write the proportion equation
   127,109.38 : 175,338.03 = 79,279.69 : x
2. Step 2: Convert to fraction form
   127,109.38/175,338.03 = 79,279.69/x
3. Step 3: Cross multiply
   127,109.38x = 175,338.03 × 79,279.69
4. Step 4: Simplify right side
   127,109.38x = 13,900,744,663.61
5. Step 5: Solve for x
   x = 13,900,744,663.61/127,109.38
6. Step 6: Final answer
   x = 109,360.49