Finding the Fourth Proportional to 17,155.38, 25,735.98 and 5,472.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,155.38 : 25,735.98 = 5,472.18 : x
2. Step 2: Convert to fraction form
   17,155.38/25,735.98 = 5,472.18/x
3. Step 3: Cross multiply
   17,155.38x = 25,735.98 × 5,472.18
4. Step 4: Simplify right side
   17,155.38x = 140,831,915.04
5. Step 5: Solve for x
   x = 140,831,915.04/17,155.38
6. Step 6: Final answer
   x = 8,209.20