Finding the Fourth Proportional to 8,723.40, 12,035.33 and 5,742.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,723.40 : 12,035.33 = 5,742.24 : x
2. Step 2: Convert to fraction form
   8,723.40/12,035.33 = 5,742.24/x
3. Step 3: Cross multiply
   8,723.40x = 12,035.33 × 5,742.24
4. Step 4: Simplify right side
   8,723.40x = 69,109,801.03
5. Step 5: Solve for x
   x = 69,109,801.03/8,723.40
6. Step 6: Final answer
   x = 7,922.35