Finding the Fourth Proportional to 11,443.32, 15,789.50 and 6,964.07

Step by Step Solution

1. Step 1: Write the proportion equation
   11,443.32 : 15,789.50 = 6,964.07 : x
2. Step 2: Convert to fraction form
   11,443.32/15,789.50 = 6,964.07/x
3. Step 3: Cross multiply
   11,443.32x = 15,789.50 × 6,964.07
4. Step 4: Simplify right side
   11,443.32x = 109,959,121.73
5. Step 5: Solve for x
   x = 109,959,121.73/11,443.32
6. Step 6: Final answer
   x = 9,609.02