Finding the Fourth Proportional to 10,947.79, 16,421.68 and 3,552.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,947.79 : 16,421.68 = 3,552.25 : x
2. Step 2: Convert to fraction form
   10,947.79/16,421.68 = 3,552.25/x
3. Step 3: Cross multiply
   10,947.79x = 16,421.68 × 3,552.25
4. Step 4: Simplify right side
   10,947.79x = 58,333,912.78
5. Step 5: Solve for x
   x = 58,333,912.78/10,947.79
6. Step 6: Final answer
   x = 5,328.37