Finding the Fourth Proportional to 6,223.71, 8,590.52 and 3,707.58

Step by Step Solution

1. Step 1: Write the proportion equation
   6,223.71 : 8,590.52 = 3,707.58 : x
2. Step 2: Convert to fraction form
   6,223.71/8,590.52 = 3,707.58/x
3. Step 3: Cross multiply
   6,223.71x = 8,590.52 × 3,707.58
4. Step 4: Simplify right side
   6,223.71x = 31,850,049.41
5. Step 5: Solve for x
   x = 31,850,049.41/6,223.71
6. Step 6: Final answer
   x = 5,117.53