Finding the Fourth Proportional to 16,802.72, 25,202.28 and 5,116.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,802.72 : 25,202.28 = 5,116.04 : x
2. Step 2: Convert to fraction form
   16,802.72/25,202.28 = 5,116.04/x
3. Step 3: Cross multiply
   16,802.72x = 25,202.28 × 5,116.04
4. Step 4: Simplify right side
   16,802.72x = 128,935,872.57
5. Step 5: Solve for x
   x = 128,935,872.57/16,802.72
6. Step 6: Final answer
   x = 7,673.51