Finding the Fourth Proportional to 10,404.25, 15,606.41 and 2,613.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.25 : 15,606.41 = 2,613.06 : x
2. Step 2: Convert to fraction form
   10,404.25/15,606.41 = 2,613.06/x
3. Step 3: Cross multiply
   10,404.25x = 15,606.41 × 2,613.06
4. Step 4: Simplify right side
   10,404.25x = 40,780,472.65
5. Step 5: Solve for x
   x = 40,780,472.65/10,404.25
6. Step 6: Final answer
   x = 3,919.60