Finding the Fourth Proportional to 10,947.66, 16,419.57 and 3,551.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,947.66 : 16,419.57 = 3,551.04 : x
2. Step 2: Convert to fraction form
   10,947.66/16,419.57 = 3,551.04/x
3. Step 3: Cross multiply
   10,947.66x = 16,419.57 × 3,551.04
4. Step 4: Simplify right side
   10,947.66x = 58,306,549.85
5. Step 5: Solve for x
   x = 58,306,549.85/10,947.66
6. Step 6: Final answer
   x = 5,325.94