Finding the Fourth Proportional to 127,139.01, 175,485.87 and 79,363.59

Step by Step Solution

1. Step 1: Write the proportion equation
   127,139.01 : 175,485.87 = 79,363.59 : x
2. Step 2: Convert to fraction form
   127,139.01/175,485.87 = 79,363.59/x
3. Step 3: Cross multiply
   127,139.01x = 175,485.87 × 79,363.59
4. Step 4: Simplify right side
   127,139.01x = 13,927,188,637.47
5. Step 5: Solve for x
   x = 13,927,188,637.47/127,139.01
6. Step 6: Final answer
   x = 109,543.00