Finding the Fourth Proportional to 2,438.52, 3,367.89 and 1,651.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,438.52 : 3,367.89 = 1,651.20 : x
2. Step 2: Convert to fraction form
   2,438.52/3,367.89 = 1,651.20/x
3. Step 3: Cross multiply
   2,438.52x = 3,367.89 × 1,651.20
4. Step 4: Simplify right side
   2,438.52x = 5,561,059.97
5. Step 5: Solve for x
   x = 5,561,059.97/2,438.52
6. Step 6: Final answer
   x = 2,280.51