Finding the Fourth Proportional to 1,569.80, 2,357.18 and 1,456.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,569.80 : 2,357.18 = 1,456.10 : x
2. Step 2: Convert to fraction form
   1,569.80/2,357.18 = 1,456.10/x
3. Step 3: Cross multiply
   1,569.80x = 2,357.18 × 1,456.10
4. Step 4: Simplify right side
   1,569.80x = 3,432,282.52
5. Step 5: Solve for x
   x = 3,432,282.52/1,569.80
6. Step 6: Final answer
   x = 2,186.45