Finding the Fourth Proportional to 10,613.81, 14,642.84 and 7,426.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,613.81 : 14,642.84 = 7,426.26 : x
2. Step 2: Convert to fraction form
   10,613.81/14,642.84 = 7,426.26/x
3. Step 3: Cross multiply
   10,613.81x = 14,642.84 × 7,426.26
4. Step 4: Simplify right side
   10,613.81x = 108,741,555.54
5. Step 5: Solve for x
   x = 108,741,555.54/10,613.81
6. Step 6: Final answer
   x = 10,245.29