Finding the Fourth Proportional to 5,643.88, 7,792.71 and 5,224.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,643.88 : 7,792.71 = 5,224.03 : x
2. Step 2: Convert to fraction form
   5,643.88/7,792.71 = 5,224.03/x
3. Step 3: Cross multiply
   5,643.88x = 7,792.71 × 5,224.03
4. Step 4: Simplify right side
   5,643.88x = 40,709,311.75
5. Step 5: Solve for x
   x = 40,709,311.75/5,643.88
6. Step 6: Final answer
   x = 7,213.00