Finding the Fourth Proportional to 17,364.80, 23,963.34 and 9,407.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,364.80 : 23,963.34 = 9,407.05 : x
2. Step 2: Convert to fraction form
   17,364.80/23,963.34 = 9,407.05/x
3. Step 3: Cross multiply
   17,364.80x = 23,963.34 × 9,407.05
4. Step 4: Simplify right side
   17,364.80x = 225,424,337.55
5. Step 5: Solve for x
   x = 225,424,337.55/17,364.80
6. Step 6: Final answer
   x = 12,981.68