Finding the Fourth Proportional to 71,058.86, 98,061.54 and 39,228.02

Step by Step Solution

1. Step 1: Write the proportion equation
   71,058.86 : 98,061.54 = 39,228.02 : x
2. Step 2: Convert to fraction form
   71,058.86/98,061.54 = 39,228.02/x
3. Step 3: Cross multiply
   71,058.86x = 98,061.54 × 39,228.02
4. Step 4: Simplify right side
   71,058.86x = 3,846,760,052.35
5. Step 5: Solve for x
   x = 3,846,760,052.35/71,058.86
6. Step 6: Final answer
   x = 54,134.84