Finding the Fourth Proportional to 12,101.28, 16,693.98 and 7,851.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,101.28 : 16,693.98 = 7,851.96 : x
2. Step 2: Convert to fraction form
   12,101.28/16,693.98 = 7,851.96/x
3. Step 3: Cross multiply
   12,101.28x = 16,693.98 × 7,851.96
4. Step 4: Simplify right side
   12,101.28x = 131,080,463.20
5. Step 5: Solve for x
   x = 131,080,463.20/12,101.28
6. Step 6: Final answer
   x = 10,831.95