Finding the Fourth Proportional to 2,587.61, 3,570.97 and 1,525.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587.61 : 3,570.97 = 1,525.47 : x
2. Step 2: Convert to fraction form
   2,587.61/3,570.97 = 1,525.47/x
3. Step 3: Cross multiply
   2,587.61x = 3,570.97 × 1,525.47
4. Step 4: Simplify right side
   2,587.61x = 5,447,407.61
5. Step 5: Solve for x
   x = 5,447,407.61/2,587.61
6. Step 6: Final answer
   x = 2,105.19