Finding the Fourth Proportional to 11,760.60, 17,648.22 and 7,326.98

Step by Step Solution

1. Step 1: Write the proportion equation
   11,760.60 : 17,648.22 = 7,326.98 : x
2. Step 2: Convert to fraction form
   11,760.60/17,648.22 = 7,326.98/x
3. Step 3: Cross multiply
   11,760.60x = 17,648.22 × 7,326.98
4. Step 4: Simplify right side
   11,760.60x = 129,308,066.73
5. Step 5: Solve for x
   x = 129,308,066.73/11,760.60
6. Step 6: Final answer
   x = 10,995.02