Finding the Fourth Proportional to 127,398.69, 175,812.43 and 70,040.43

Step by Step Solution

1. Step 1: Write the proportion equation
   127,398.69 : 175,812.43 = 70,040.43 : x
2. Step 2: Convert to fraction form
   127,398.69/175,812.43 = 70,040.43/x
3. Step 3: Cross multiply
   127,398.69x = 175,812.43 × 70,040.43
4. Step 4: Simplify right side
   127,398.69x = 12,313,978,196.54
5. Step 5: Solve for x
   x = 12,313,978,196.54/127,398.69
6. Step 6: Final answer
   x = 96,657.02