Finding the Fourth Proportional to 2,473.28, 3,415.20 and 2,061.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,473.28 : 3,415.20 = 2,061.44 : x
2. Step 2: Convert to fraction form
   2,473.28/3,415.20 = 2,061.44/x
3. Step 3: Cross multiply
   2,473.28x = 3,415.20 × 2,061.44
4. Step 4: Simplify right side
   2,473.28x = 7,040,229.89
5. Step 5: Solve for x
   x = 7,040,229.89/2,473.28
6. Step 6: Final answer
   x = 2,846.52