Finding the Fourth Proportional to 16,851.51, 23,255.71 and 9,298.13

Step by Step Solution

1. Step 1: Write the proportion equation
   16,851.51 : 23,255.71 = 9,298.13 : x
2. Step 2: Convert to fraction form
   16,851.51/23,255.71 = 9,298.13/x
3. Step 3: Cross multiply
   16,851.51x = 23,255.71 × 9,298.13
4. Step 4: Simplify right side
   16,851.51x = 216,234,475.30
5. Step 5: Solve for x
   x = 216,234,475.30/16,851.51
6. Step 6: Final answer
   x = 12,831.76