Finding the Fourth Proportional to 2,010.34, 2,773.44 and 1,224.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.34 : 2,773.44 = 1,224.10 : x
2. Step 2: Convert to fraction form
   2,010.34/2,773.44 = 1,224.10/x
3. Step 3: Cross multiply
   2,010.34x = 2,773.44 × 1,224.10
4. Step 4: Simplify right side
   2,010.34x = 3,394,967.90
5. Step 5: Solve for x
   x = 3,394,967.90/2,010.34
6. Step 6: Final answer
   x = 1,688.75