Finding the Fourth Proportional to 6,626.09, 9,143.93 and 3,641.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,626.09 : 9,143.93 = 3,641.86 : x
2. Step 2: Convert to fraction form
   6,626.09/9,143.93 = 3,641.86/x
3. Step 3: Cross multiply
   6,626.09x = 9,143.93 × 3,641.86
4. Step 4: Simplify right side
   6,626.09x = 33,300,912.91
5. Step 5: Solve for x
   x = 33,300,912.91/6,626.09
6. Step 6: Final answer
   x = 5,025.73