Finding the Fourth Proportional to 10,961.42, 16,443.75 and 3,169.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,961.42 : 16,443.75 = 3,169.22 : x
2. Step 2: Convert to fraction form
   10,961.42/16,443.75 = 3,169.22/x
3. Step 3: Cross multiply
   10,961.42x = 16,443.75 × 3,169.22
4. Step 4: Simplify right side
   10,961.42x = 52,113,861.38
5. Step 5: Solve for x
   x = 52,113,861.38/10,961.42
6. Step 6: Final answer
   x = 4,754.30