Finding the Fourth Proportional to 71,216.27, 98,280.17 and 38,953.92

Step by Step Solution

1. Step 1: Write the proportion equation
   71,216.27 : 98,280.17 = 38,953.92 : x
2. Step 2: Convert to fraction form
   71,216.27/98,280.17 = 38,953.92/x
3. Step 3: Cross multiply
   71,216.27x = 98,280.17 × 38,953.92
4. Step 4: Simplify right side
   71,216.27x = 3,828,398,015.35
5. Step 5: Solve for x
   x = 3,828,398,015.35/71,216.27
6. Step 6: Final answer
   x = 53,757.35