Finding the Fourth Proportional to 71,100.99, 98,116.72 and 39,269.21

Step by Step Solution

1. Step 1: Write the proportion equation
   71,100.99 : 98,116.72 = 39,269.21 : x
2. Step 2: Convert to fraction form
   71,100.99/98,116.72 = 39,269.21/x
3. Step 3: Cross multiply
   71,100.99x = 98,116.72 × 39,269.21
4. Step 4: Simplify right side
   71,100.99x = 3,852,965,493.43
5. Step 5: Solve for x
   x = 3,852,965,493.43/71,100.99
6. Step 6: Final answer
   x = 54,190.04