Finding the Fourth Proportional to 2,219.50, 3,062.96 and 1,224.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.50 : 3,062.96 = 1,224.82 : x
2. Step 2: Convert to fraction form
   2,219.50/3,062.96 = 1,224.82/x
3. Step 3: Cross multiply
   2,219.50x = 3,062.96 × 1,224.82
4. Step 4: Simplify right side
   2,219.50x = 3,751,574.67
5. Step 5: Solve for x
   x = 3,751,574.67/2,219.50
6. Step 6: Final answer
   x = 1,690.28