Finding the Fourth Proportional to 2,528.08, 3,488.72 and 1,409.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.08 : 3,488.72 = 1,409.02 : x
2. Step 2: Convert to fraction form
   2,528.08/3,488.72 = 1,409.02/x
3. Step 3: Cross multiply
   2,528.08x = 3,488.72 × 1,409.02
4. Step 4: Simplify right side
   2,528.08x = 4,915,676.25
5. Step 5: Solve for x
   x = 4,915,676.25/2,528.08
6. Step 6: Final answer
   x = 1,944.43