Finding the Fourth Proportional to 2,488.35, 3,432.78 and 1,604.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.35 : 3,432.78 = 1,604.44 : x
2. Step 2: Convert to fraction form
   2,488.35/3,432.78 = 1,604.44/x
3. Step 3: Cross multiply
   2,488.35x = 3,432.78 × 1,604.44
4. Step 4: Simplify right side
   2,488.35x = 5,507,693.83
5. Step 5: Solve for x
   x = 5,507,693.83/2,488.35
6. Step 6: Final answer
   x = 2,213.39