Finding the Fourth Proportional to 2,513.16, 3,467.34 and 1,569.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.16 : 3,467.34 = 1,569.78 : x
2. Step 2: Convert to fraction form
   2,513.16/3,467.34 = 1,569.78/x
3. Step 3: Cross multiply
   2,513.16x = 3,467.34 × 1,569.78
4. Step 4: Simplify right side
   2,513.16x = 5,442,960.99
5. Step 5: Solve for x
   x = 5,442,960.99/2,513.16
6. Step 6: Final answer
   x = 2,165.78