Finding the Fourth Proportional to 127,456.47, 191,210.23 and 71,376.33

Step by Step Solution

1. Step 1: Write the proportion equation
   127,456.47 : 191,210.23 = 71,376.33 : x
2. Step 2: Convert to fraction form
   127,456.47/191,210.23 = 71,376.33/x
3. Step 3: Cross multiply
   127,456.47x = 191,210.23 × 71,376.33
4. Step 4: Simplify right side
   127,456.47x = 13,647,884,475.86
5. Step 5: Solve for x
   x = 13,647,884,475.86/127,456.47
6. Step 6: Final answer
   x = 107,078.79