Finding the Fourth Proportional to 17,278.86, 23,844.92 and 9,725.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,278.86 : 23,844.92 = 9,725.31 : x
2. Step 2: Convert to fraction form
   17,278.86/23,844.92 = 9,725.31/x
3. Step 3: Cross multiply
   17,278.86x = 23,844.92 × 9,725.31
4. Step 4: Simplify right side
   17,278.86x = 231,899,238.93
5. Step 5: Solve for x
   x = 231,899,238.93/17,278.86
6. Step 6: Final answer
   x = 13,420.98