Finding the Fourth Proportional to 127,945.43, 176,565 and 71,360.45

Step by Step Solution

1. Step 1: Write the proportion equation
   127,945.43 : 176,565 = 71,360.45 : x
2. Step 2: Convert to fraction form
   127,945.43/176,565 = 71,360.45/x
3. Step 3: Cross multiply
   127,945.43x = 176,565 × 71,360.45
4. Step 4: Simplify right side
   127,945.43x = 12,599,757,854.25
5. Step 5: Solve for x
   x = 12,599,757,854.25/127,945.43
6. Step 6: Final answer
   x = 98,477.59