Finding the Fourth Proportional to 3,426.72, 4,728.91 and 2,010.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,426.72 : 4,728.91 = 2,010.43 : x
2. Step 2: Convert to fraction form
   3,426.72/4,728.91 = 2,010.43/x
3. Step 3: Cross multiply
   3,426.72x = 4,728.91 × 2,010.43
4. Step 4: Simplify right side
   3,426.72x = 9,507,142.53
5. Step 5: Solve for x
   x = 9,507,142.53/3,426.72
6. Step 6: Final answer
   x = 2,774.42