Finding the Fourth Proportional to 6,225.67, 8,590.72 and 3,707.43

Step by Step Solution

1. Step 1: Write the proportion equation
   6,225.67 : 8,590.72 = 3,707.43 : x
2. Step 2: Convert to fraction form
   6,225.67/8,590.72 = 3,707.43/x
3. Step 3: Cross multiply
   6,225.67x = 8,590.72 × 3,707.43
4. Step 4: Simplify right side
   6,225.67x = 31,849,493.05
5. Step 5: Solve for x
   x = 31,849,493.05/6,225.67
6. Step 6: Final answer
   x = 5,115.83