Finding the Fourth Proportional to 6,223.31, 8,586.33 and 3,704.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,223.31 : 8,586.33 = 3,704.15 : x
2. Step 2: Convert to fraction form
   6,223.31/8,586.33 = 3,704.15/x
3. Step 3: Cross multiply
   6,223.31x = 8,586.33 × 3,704.15
4. Step 4: Simplify right side
   6,223.31x = 31,805,054.27
5. Step 5: Solve for x
   x = 31,805,054.27/6,223.31
6. Step 6: Final answer
   x = 5,110.63