Finding the Fourth Proportional to 5,691.72, 8,522.34 and 5,364.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,691.72 : 8,522.34 = 5,364.18 : x
2. Step 2: Convert to fraction form
   5,691.72/8,522.34 = 5,364.18/x
3. Step 3: Cross multiply
   5,691.72x = 8,522.34 × 5,364.18
4. Step 4: Simplify right side
   5,691.72x = 45,715,365.78
5. Step 5: Solve for x
   x = 45,715,365.78/5,691.72
6. Step 6: Final answer
   x = 8,031.91