Finding the Fourth Proportional to 71,050.66, 98,049.89 and 39,219.55

Step by Step Solution

1. Step 1: Write the proportion equation
   71,050.66 : 98,049.89 = 39,219.55 : x
2. Step 2: Convert to fraction form
   71,050.66/98,049.89 = 39,219.55/x
3. Step 3: Cross multiply
   71,050.66x = 98,049.89 × 39,219.55
4. Step 4: Simplify right side
   71,050.66x = 3,845,472,416.27
5. Step 5: Solve for x
   x = 3,845,472,416.27/71,050.66
6. Step 6: Final answer
   x = 54,122.97