Finding the Fourth Proportional to 2,525.52, 3,485.47 and 1,531.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.52 : 3,485.47 = 1,531.50 : x
2. Step 2: Convert to fraction form
   2,525.52/3,485.47 = 1,531.50/x
3. Step 3: Cross multiply
   2,525.52x = 3,485.47 × 1,531.50
4. Step 4: Simplify right side
   2,525.52x = 5,337,993.48
5. Step 5: Solve for x
   x = 5,337,993.48/2,525.52
6. Step 6: Final answer
   x = 2,113.62