Finding the Fourth Proportional to 5,760.49, 7,947.34 and 3,772.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,760.49 : 7,947.34 = 3,772.15 : x
2. Step 2: Convert to fraction form
   5,760.49/7,947.34 = 3,772.15/x
3. Step 3: Cross multiply
   5,760.49x = 7,947.34 × 3,772.15
4. Step 4: Simplify right side
   5,760.49x = 29,978,558.58
5. Step 5: Solve for x
   x = 29,978,558.58/5,760.49
6. Step 6: Final answer
   x = 5,204.17