Finding the Fourth Proportional to 5,401.32, 8,089.39 and 5,214.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.32 : 8,089.39 = 5,214.24 : x
2. Step 2: Convert to fraction form
   5,401.32/8,089.39 = 5,214.24/x
3. Step 3: Cross multiply
   5,401.32x = 8,089.39 × 5,214.24
4. Step 4: Simplify right side
   5,401.32x = 42,180,010.57
5. Step 5: Solve for x
   x = 42,180,010.57/5,401.32
6. Step 6: Final answer
   x = 7,809.21