Finding the Fourth Proportional to 6,613.48, 9,126.80 and 3,781.27

Step by Step Solution

1. Step 1: Write the proportion equation
   6,613.48 : 9,126.80 = 3,781.27 : x
2. Step 2: Convert to fraction form
   6,613.48/9,126.80 = 3,781.27/x
3. Step 3: Cross multiply
   6,613.48x = 9,126.80 × 3,781.27
4. Step 4: Simplify right side
   6,613.48x = 34,510,895.04
5. Step 5: Solve for x
   x = 34,510,895.04/6,613.48
6. Step 6: Final answer
   x = 5,218.27