Finding the Fourth Proportional to 17,384.99, 23,991.01 and 9,831.13

Step by Step Solution

1. Step 1: Write the proportion equation
   17,384.99 : 23,991.01 = 9,831.13 : x
2. Step 2: Convert to fraction form
   17,384.99/23,991.01 = 9,831.13/x
3. Step 3: Cross multiply
   17,384.99x = 23,991.01 × 9,831.13
4. Step 4: Simplify right side
   17,384.99x = 235,858,653.59
5. Step 5: Solve for x
   x = 235,858,653.59/17,384.99
6. Step 6: Final answer
   x = 13,566.80