Finding the Fourth Proportional to 17,116.08, 25,677.84 and 5,430.24

Step by Step Solution

1. Step 1: Write the proportion equation
   17,116.08 : 25,677.84 = 5,430.24 : x
2. Step 2: Convert to fraction form
   17,116.08/25,677.84 = 5,430.24/x
3. Step 3: Cross multiply
   17,116.08x = 25,677.84 × 5,430.24
4. Step 4: Simplify right side
   17,116.08x = 139,436,833.88
5. Step 5: Solve for x
   x = 139,436,833.88/17,116.08
6. Step 6: Final answer
   x = 8,146.54