Finding the Fourth Proportional to 2,010.96, 2,774.52 and 1,224.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.96 : 2,774.52 = 1,224.18 : x
2. Step 2: Convert to fraction form
   2,010.96/2,774.52 = 1,224.18/x
3. Step 3: Cross multiply
   2,010.96x = 2,774.52 × 1,224.18
4. Step 4: Simplify right side
   2,010.96x = 3,396,511.89
5. Step 5: Solve for x
   x = 3,396,511.89/2,010.96
6. Step 6: Final answer
   x = 1,689.00