Finding the Fourth Proportional to 10,947.71, 16,423.87 and 3,551.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,947.71 : 16,423.87 = 3,551.59 : x
2. Step 2: Convert to fraction form
   10,947.71/16,423.87 = 3,551.59/x
3. Step 3: Cross multiply
   10,947.71x = 16,423.87 × 3,551.59
4. Step 4: Simplify right side
   10,947.71x = 58,330,852.45
5. Step 5: Solve for x
   x = 58,330,852.45/10,947.71
6. Step 6: Final answer
   x = 5,328.13