Finding the Fourth Proportional to 71,049.30, 98,048.84 and 39,218.22

Step by Step Solution

1. Step 1: Write the proportion equation
   71,049.30 : 98,048.84 = 39,218.22 : x
2. Step 2: Convert to fraction form
   71,049.30/98,048.84 = 39,218.22/x
3. Step 3: Cross multiply
   71,049.30x = 98,048.84 × 39,218.22
4. Step 4: Simplify right side
   71,049.30x = 3,845,300,977.86
5. Step 5: Solve for x
   x = 3,845,300,977.86/71,049.30
6. Step 6: Final answer
   x = 54,121.59