Finding the Fourth Proportional to 2,768.42, 3,825.29 and 2,213.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,768.42 : 3,825.29 = 2,213.47 : x
2. Step 2: Convert to fraction form
   2,768.42/3,825.29 = 2,213.47/x
3. Step 3: Cross multiply
   2,768.42x = 3,825.29 × 2,213.47
4. Step 4: Simplify right side
   2,768.42x = 8,467,144.03
5. Step 5: Solve for x
   x = 8,467,144.03/2,768.42
6. Step 6: Final answer
   x = 3,058.47