Finding the Fourth Proportional to 12,796.40, 17,660.34 and 7,132.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,796.40 : 17,660.34 = 7,132.08 : x
2. Step 2: Convert to fraction form
   12,796.40/17,660.34 = 7,132.08/x
3. Step 3: Cross multiply
   12,796.40x = 17,660.34 × 7,132.08
4. Step 4: Simplify right side
   12,796.40x = 125,954,957.71
5. Step 5: Solve for x
   x = 125,954,957.71/12,796.40
6. Step 6: Final answer
   x = 9,843.00