Finding the Fourth Proportional to 10,947.66, 16,419.94 and 3,552.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,947.66 : 16,419.94 = 3,552.18 : x
2. Step 2: Convert to fraction form
   10,947.66/16,419.94 = 3,552.18/x
3. Step 3: Cross multiply
   10,947.66x = 16,419.94 × 3,552.18
4. Step 4: Simplify right side
   10,947.66x = 58,326,582.47
5. Step 5: Solve for x
   x = 58,326,582.47/10,947.66
6. Step 6: Final answer
   x = 5,327.77