Finding the Fourth Proportional to 2,599.47, 3,898.41 and 1,366.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.47 : 3,898.41 = 1,366.20 : x
2. Step 2: Convert to fraction form
   2,599.47/3,898.41 = 1,366.20/x
3. Step 3: Cross multiply
   2,599.47x = 3,898.41 × 1,366.20
4. Step 4: Simplify right side
   2,599.47x = 5,326,007.74
5. Step 5: Solve for x
   x = 5,326,007.74/2,599.47
6. Step 6: Final answer
   x = 2,048.88