Finding the Fourth Proportional to 6,472.03, 8,931.71 and 3,640.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,472.03 : 8,931.71 = 3,640.29 : x
2. Step 2: Convert to fraction form
   6,472.03/8,931.71 = 3,640.29/x
3. Step 3: Cross multiply
   6,472.03x = 8,931.71 × 3,640.29
4. Step 4: Simplify right side
   6,472.03x = 32,514,014.60
5. Step 5: Solve for x
   x = 32,514,014.60/6,472.03
6. Step 6: Final answer
   x = 5,023.77