Finding the Fourth Proportional to 2,565.27, 3,538.89 and 1,570.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,565.27 : 3,538.89 = 1,570.19 : x
2. Step 2: Convert to fraction form
   2,565.27/3,538.89 = 1,570.19/x
3. Step 3: Cross multiply
   2,565.27x = 3,538.89 × 1,570.19
4. Step 4: Simplify right side
   2,565.27x = 5,556,711.99
5. Step 5: Solve for x
   x = 5,556,711.99/2,565.27
6. Step 6: Final answer
   x = 2,166.13