Finding the Fourth Proportional to 2,528.89, 3,489.87 and 1,410.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.89 : 3,489.87 = 1,410.05 : x
2. Step 2: Convert to fraction form
   2,528.89/3,489.87 = 1,410.05/x
3. Step 3: Cross multiply
   2,528.89x = 3,489.87 × 1,410.05
4. Step 4: Simplify right side
   2,528.89x = 4,920,899.92
5. Step 5: Solve for x
   x = 4,920,899.92/2,528.89
6. Step 6: Final answer
   x = 1,945.88