Finding the Fourth Proportional to 127,503.69, 175,949.55 and 70,139.38

Step by Step Solution

1. Step 1: Write the proportion equation
   127,503.69 : 175,949.55 = 70,139.38 : x
2. Step 2: Convert to fraction form
   127,503.69/175,949.55 = 70,139.38/x
3. Step 3: Cross multiply
   127,503.69x = 175,949.55 × 70,139.38
4. Step 4: Simplify right side
   127,503.69x = 12,340,991,117.83
5. Step 5: Solve for x
   x = 12,340,991,117.83/127,503.69
6. Step 6: Final answer
   x = 96,789.29