Finding the Fourth Proportional to 17,280.82, 23,846.29 and 9,726.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,280.82 : 23,846.29 = 9,726.76 : x
2. Step 2: Convert to fraction form
   17,280.82/23,846.29 = 9,726.76/x
3. Step 3: Cross multiply
   17,280.82x = 23,846.29 × 9,726.76
4. Step 4: Simplify right side
   17,280.82x = 231,947,139.72
5. Step 5: Solve for x
   x = 231,947,139.72/17,280.82
6. Step 6: Final answer
   x = 13,422.23