Finding the Fourth Proportional to 2,522.80, 3,476.16 and 1,682.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.80 : 3,476.16 = 1,682.56 : x
2. Step 2: Convert to fraction form
   2,522.80/3,476.16 = 1,682.56/x
3. Step 3: Cross multiply
   2,522.80x = 3,476.16 × 1,682.56
4. Step 4: Simplify right side
   2,522.80x = 5,848,847.77
5. Step 5: Solve for x
   x = 5,848,847.77/2,522.80
6. Step 6: Final answer
   x = 2,318.40