Finding the Fourth Proportional to 2,580.66, 3,855.60 and 2,522.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580.66 : 3,855.60 = 2,522.34 : x
2. Step 2: Convert to fraction form
   2,580.66/3,855.60 = 2,522.34/x
3. Step 3: Cross multiply
   2,580.66x = 3,855.60 × 2,522.34
4. Step 4: Simplify right side
   2,580.66x = 9,725,134.10
5. Step 5: Solve for x
   x = 9,725,134.10/2,580.66
6. Step 6: Final answer
   x = 3,768.47