Finding the Fourth Proportional to 2,560.57, 3,833.36 and 1,946.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,560.57 : 3,833.36 = 1,946.72 : x
2. Step 2: Convert to fraction form
   2,560.57/3,833.36 = 1,946.72/x
3. Step 3: Cross multiply
   2,560.57x = 3,833.36 × 1,946.72
4. Step 4: Simplify right side
   2,560.57x = 7,462,468.85
5. Step 5: Solve for x
   x = 7,462,468.85/2,560.57
6. Step 6: Final answer
   x = 2,914.38