Finding the Fourth Proportional to 11,443.11, 15,783.32 and 6,967.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,443.11 : 15,783.32 = 6,967.15 : x
2. Step 2: Convert to fraction form
   11,443.11/15,783.32 = 6,967.15/x
3. Step 3: Cross multiply
   11,443.11x = 15,783.32 × 6,967.15
4. Step 4: Simplify right side
   11,443.11x = 109,964,735.90
5. Step 5: Solve for x
   x = 109,964,735.90/11,443.11
6. Step 6: Final answer
   x = 9,609.69