Finding the Fourth Proportional to 5,456.42, 8,185.24 and 1,947.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,456.42 : 8,185.24 = 1,947.25 : x
2. Step 2: Convert to fraction form
   5,456.42/8,185.24 = 1,947.25/x
3. Step 3: Cross multiply
   5,456.42x = 8,185.24 × 1,947.25
4. Step 4: Simplify right side
   5,456.42x = 15,938,683.26
5. Step 5: Solve for x
   x = 15,938,683.26/5,456.42
6. Step 6: Final answer
   x = 2,921.09