Finding the Fourth Proportional to 11,643.16, 17,459.37 and 3,744.21

Step by Step Solution

1. Step 1: Write the proportion equation
   11,643.16 : 17,459.37 = 3,744.21 : x
2. Step 2: Convert to fraction form
   11,643.16/17,459.37 = 3,744.21/x
3. Step 3: Cross multiply
   11,643.16x = 17,459.37 × 3,744.21
4. Step 4: Simplify right side
   11,643.16x = 65,371,552.43
5. Step 5: Solve for x
   x = 65,371,552.43/11,643.16
6. Step 6: Final answer
   x = 5,614.59