Finding the Fourth Proportional to 2,551.42, 3,520.02 and 1,606.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551.42 : 3,520.02 = 1,606.96 : x
2. Step 2: Convert to fraction form
   2,551.42/3,520.02 = 1,606.96/x
3. Step 3: Cross multiply
   2,551.42x = 3,520.02 × 1,606.96
4. Step 4: Simplify right side
   2,551.42x = 5,656,531.34
5. Step 5: Solve for x
   x = 5,656,531.34/2,551.42
6. Step 6: Final answer
   x = 2,217.01