Finding the Fourth Proportional to 2,528.56, 3,489.30 and 1,409.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.56 : 3,489.30 = 1,409.46 : x
2. Step 2: Convert to fraction form
   2,528.56/3,489.30 = 1,409.46/x
3. Step 3: Cross multiply
   2,528.56x = 3,489.30 × 1,409.46
4. Step 4: Simplify right side
   2,528.56x = 4,918,028.78
5. Step 5: Solve for x
   x = 4,918,028.78/2,528.56
6. Step 6: Final answer
   x = 1,944.99