Finding the Fourth Proportional to 6,223.65, 8,585.82 and 4,098.61

Step by Step Solution

1. Step 1: Write the proportion equation
   6,223.65 : 8,585.82 = 4,098.61 : x
2. Step 2: Convert to fraction form
   6,223.65/8,585.82 = 4,098.61/x
3. Step 3: Cross multiply
   6,223.65x = 8,585.82 × 4,098.61
4. Step 4: Simplify right side
   6,223.65x = 35,189,927.71
5. Step 5: Solve for x
   x = 35,189,927.71/6,223.65
6. Step 6: Final answer
   x = 5,654.23