Finding the Fourth Proportional to 11,969.32, 17,960.22 and 9,046.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,969.32 : 17,960.22 = 9,046.76 : x
2. Step 2: Convert to fraction form
   11,969.32/17,960.22 = 9,046.76/x
3. Step 3: Cross multiply
   11,969.32x = 17,960.22 × 9,046.76
4. Step 4: Simplify right side
   11,969.32x = 162,481,799.89
5. Step 5: Solve for x
   x = 162,481,799.89/11,969.32
6. Step 6: Final answer
   x = 13,574.86