Finding the Fourth Proportional to 17,426.48, 26,139.53 and 7,572.83

Step by Step Solution

1. Step 1: Write the proportion equation
   17,426.48 : 26,139.53 = 7,572.83 : x
2. Step 2: Convert to fraction form
   17,426.48/26,139.53 = 7,572.83/x
3. Step 3: Cross multiply
   17,426.48x = 26,139.53 × 7,572.83
4. Step 4: Simplify right side
   17,426.48x = 197,950,105.20
5. Step 5: Solve for x
   x = 197,950,105.20/17,426.48
6. Step 6: Final answer
   x = 11,359.16