Finding the Fourth Proportional to 10,947.06, 16,414.72 and 3,449.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,947.06 : 16,414.72 = 3,449.22 : x
2. Step 2: Convert to fraction form
   10,947.06/16,414.72 = 3,449.22/x
3. Step 3: Cross multiply
   10,947.06x = 16,414.72 × 3,449.22
4. Step 4: Simplify right side
   10,947.06x = 56,617,980.52
5. Step 5: Solve for x
   x = 56,617,980.52/10,947.06
6. Step 6: Final answer
   x = 5,171.98