Finding the Fourth Proportional to 2,452.81, 3,384.89 and 1,569.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,452.81 : 3,384.89 = 1,569.55 : x
2. Step 2: Convert to fraction form
   2,452.81/3,384.89 = 1,569.55/x
3. Step 3: Cross multiply
   2,452.81x = 3,384.89 × 1,569.55
4. Step 4: Simplify right side
   2,452.81x = 5,312,754.10
5. Step 5: Solve for x
   x = 5,312,754.10/2,452.81
6. Step 6: Final answer
   x = 2,165.99