Finding the Fourth Proportional to 17,426.24, 26,141.28 and 5,581.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,426.24 : 26,141.28 = 5,581.10 : x
2. Step 2: Convert to fraction form
   17,426.24/26,141.28 = 5,581.10/x
3. Step 3: Cross multiply
   17,426.24x = 26,141.28 × 5,581.10
4. Step 4: Simplify right side
   17,426.24x = 145,897,097.81
5. Step 5: Solve for x
   x = 145,897,097.81/17,426.24
6. Step 6: Final answer
   x = 8,372.26