Finding the Fourth Proportional to 17,365.55, 23,964.38 and 9,407.79

Step by Step Solution

1. Step 1: Write the proportion equation
   17,365.55 : 23,964.38 = 9,407.79 : x
2. Step 2: Convert to fraction form
   17,365.55/23,964.38 = 9,407.79/x
3. Step 3: Cross multiply
   17,365.55x = 23,964.38 × 9,407.79
4. Step 4: Simplify right side
   17,365.55x = 225,451,807.48
5. Step 5: Solve for x
   x = 225,451,807.48/17,365.55
6. Step 6: Final answer
   x = 12,982.71