Finding the Fourth Proportional to 10,967.29, 16,412.65 and 8,969.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,967.29 : 16,412.65 = 8,969.83 : x
2. Step 2: Convert to fraction form
   10,967.29/16,412.65 = 8,969.83/x
3. Step 3: Cross multiply
   10,967.29x = 16,412.65 × 8,969.83
4. Step 4: Simplify right side
   10,967.29x = 147,218,680.35
5. Step 5: Solve for x
   x = 147,218,680.35/10,967.29
6. Step 6: Final answer
   x = 13,423.43