Finding the Fourth Proportional to 17,315.92, 25,980.06 and 5,629.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,315.92 : 25,980.06 = 5,629.18 : x
2. Step 2: Convert to fraction form
   17,315.92/25,980.06 = 5,629.18/x
3. Step 3: Cross multiply
   17,315.92x = 25,980.06 × 5,629.18
4. Step 4: Simplify right side
   17,315.92x = 146,246,434.15
5. Step 5: Solve for x
   x = 146,246,434.15/17,315.92
6. Step 6: Final answer
   x = 8,445.78