Finding the Fourth Proportional to 10,949.74, 16,426.10 and 3,551.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,949.74 : 16,426.10 = 3,551.79 : x
2. Step 2: Convert to fraction form
   10,949.74/16,426.10 = 3,551.79/x
3. Step 3: Cross multiply
   10,949.74x = 16,426.10 × 3,551.79
4. Step 4: Simplify right side
   10,949.74x = 58,342,057.72
5. Step 5: Solve for x
   x = 58,342,057.72/10,949.74
6. Step 6: Final answer
   x = 5,328.17