Finding the Fourth Proportional to 71,100.84, 98,117.28 and 39,269.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,100.84 : 98,117.28 = 39,269.10 : x
2. Step 2: Convert to fraction form
   71,100.84/98,117.28 = 39,269.10/x
3. Step 3: Cross multiply
   71,100.84x = 98,117.28 × 39,269.10
4. Step 4: Simplify right side
   71,100.84x = 3,852,977,280.05
5. Step 5: Solve for x
   x = 3,852,977,280.05/71,100.84
6. Step 6: Final answer
   x = 54,190.32