Finding the Fourth Proportional to 127,435.88, 175,817.72 and 79,020.38

Step by Step Solution

1. Step 1: Write the proportion equation
   127,435.88 : 175,817.72 = 79,020.38 : x
2. Step 2: Convert to fraction form
   127,435.88/175,817.72 = 79,020.38/x
3. Step 3: Cross multiply
   127,435.88x = 175,817.72 × 79,020.38
4. Step 4: Simplify right side
   127,435.88x = 13,893,182,363.60
5. Step 5: Solve for x
   x = 13,893,182,363.60/127,435.88
6. Step 6: Final answer
   x = 109,020.96