Finding the Fourth Proportional to 17,116.02, 25,674.93 and 5,430.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,116.02 : 25,674.93 = 5,430.15 : x
2. Step 2: Convert to fraction form
   17,116.02/25,674.93 = 5,430.15/x
3. Step 3: Cross multiply
   17,116.02x = 25,674.93 × 5,430.15
4. Step 4: Simplify right side
   17,116.02x = 139,418,721.14
5. Step 5: Solve for x
   x = 139,418,721.14/17,116.02
6. Step 6: Final answer
   x = 8,145.51