Finding the Fourth Proportional to 2,551.32, 3,523.06 and 1,608.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.32 : 3,523.06 = 1,608.80 : x
2. Step 2: Convert to fraction form
   2,551.32/3,523.06 = 1,608.80/x
3. Step 3: Cross multiply
   2,551.32x = 3,523.06 × 1,608.80
4. Step 4: Simplify right side
   2,551.32x = 5,667,898.93
5. Step 5: Solve for x
   x = 5,667,898.93/2,551.32
6. Step 6: Final answer
   x = 2,221.56