Finding the Fourth Proportional to 16,838.10, 25,248.18 and 5,148.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,838.10 : 25,248.18 = 5,148.18 : x
2. Step 2: Convert to fraction form
   16,838.10/25,248.18 = 5,148.18/x
3. Step 3: Cross multiply
   16,838.10x = 25,248.18 × 5,148.18
4. Step 4: Simplify right side
   16,838.10x = 129,982,175.31
5. Step 5: Solve for x
   x = 129,982,175.31/16,838.10
6. Step 6: Final answer
   x = 7,719.53