Finding the Fourth Proportional to 5,087.55, 7,629.69 and 2,622.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,087.55 : 7,629.69 = 2,622.06 : x
2. Step 2: Convert to fraction form
   5,087.55/7,629.69 = 2,622.06/x
3. Step 3: Cross multiply
   5,087.55x = 7,629.69 × 2,622.06
4. Step 4: Simplify right side
   5,087.55x = 20,005,504.96
5. Step 5: Solve for x
   x = 20,005,504.96/5,087.55
6. Step 6: Final answer
   x = 3,932.25