Finding the Fourth Proportional to 2,525.02, 3,484.78 and 1,531

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.02 : 3,484.78 = 1,531 : x
2. Step 2: Convert to fraction form
   2,525.02/3,484.78 = 1,531/x
3. Step 3: Cross multiply
   2,525.02x = 3,484.78 × 1,531
4. Step 4: Simplify right side
   2,525.02x = 5,335,198.18
5. Step 5: Solve for x
   x = 5,335,198.18/2,525.02
6. Step 6: Final answer
   x = 2,112.93