Finding the Fourth Proportional to 10,947.74, 16,423.10 and 3,549.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,947.74 : 16,423.10 = 3,549.79 : x
2. Step 2: Convert to fraction form
   10,947.74/16,423.10 = 3,549.79/x
3. Step 3: Cross multiply
   10,947.74x = 16,423.10 × 3,549.79
4. Step 4: Simplify right side
   10,947.74x = 58,298,456.28
5. Step 5: Solve for x
   x = 58,298,456.28/10,947.74
6. Step 6: Final answer
   x = 5,325.16