Finding the Fourth Proportional to 2,570.61, 3,855.93 and 622.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.61 : 3,855.93 = 622.82 : x
2. Step 2: Convert to fraction form
   2,570.61/3,855.93 = 622.82/x
3. Step 3: Cross multiply
   2,570.61x = 3,855.93 × 622.82
4. Step 4: Simplify right side
   2,570.61x = 2,401,550.32
5. Step 5: Solve for x
   x = 2,401,550.32/2,570.61
6. Step 6: Final answer
   x = 934.23