Finding the Fourth Proportional to 2,587.81, 3,570.56 and 1,525.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587.81 : 3,570.56 = 1,525.62 : x
2. Step 2: Convert to fraction form
   2,587.81/3,570.56 = 1,525.62/x
3. Step 3: Cross multiply
   2,587.81x = 3,570.56 × 1,525.62
4. Step 4: Simplify right side
   2,587.81x = 5,447,317.75
5. Step 5: Solve for x
   x = 5,447,317.75/2,587.81
6. Step 6: Final answer
   x = 2,104.99