Finding the Fourth Proportional to 17,116.52, 25,674.71 and 5,430.65

Step by Step Solution

1. Step 1: Write the proportion equation
   17,116.52 : 25,674.71 = 5,430.65 : x
2. Step 2: Convert to fraction form
   17,116.52/25,674.71 = 5,430.65/x
3. Step 3: Cross multiply
   17,116.52x = 25,674.71 × 5,430.65
4. Step 4: Simplify right side
   17,116.52x = 139,430,208.33
5. Step 5: Solve for x
   x = 139,430,208.33/17,116.52
6. Step 6: Final answer
   x = 8,145.95