Finding the Fourth Proportional to 12,799.28, 17,662.56 and 7,133.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,799.28 : 17,662.56 = 7,133.84 : x
2. Step 2: Convert to fraction form
   12,799.28/17,662.56 = 7,133.84/x
3. Step 3: Cross multiply
   12,799.28x = 17,662.56 × 7,133.84
4. Step 4: Simplify right side
   12,799.28x = 126,001,877.03
5. Step 5: Solve for x
   x = 126,001,877.03/12,799.28
6. Step 6: Final answer
   x = 9,844.45