Finding the Fourth Proportional to 2,010.46, 2,775.03 and 1,224.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.46 : 2,775.03 = 1,224.89 : x
2. Step 2: Convert to fraction form
   2,010.46/2,775.03 = 1,224.89/x
3. Step 3: Cross multiply
   2,010.46x = 2,775.03 × 1,224.89
4. Step 4: Simplify right side
   2,010.46x = 3,399,106.50
5. Step 5: Solve for x
   x = 3,399,106.50/2,010.46
6. Step 6: Final answer
   x = 1,690.72