Finding the Fourth Proportional to 11,643.17, 17,449.17 and 5,710.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,643.17 : 17,449.17 = 5,710.98 : x
2. Step 2: Convert to fraction form
   11,643.17/17,449.17 = 5,710.98/x
3. Step 3: Cross multiply
   11,643.17x = 17,449.17 × 5,710.98
4. Step 4: Simplify right side
   11,643.17x = 99,651,860.89
5. Step 5: Solve for x
   x = 99,651,860.89/11,643.17
6. Step 6: Final answer
   x = 8,558.83