Finding the Fourth Proportional to 2,219.33, 3,062.69 and 1,224.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.33 : 3,062.69 = 1,224.59 : x
2. Step 2: Convert to fraction form
   2,219.33/3,062.69 = 1,224.59/x
3. Step 3: Cross multiply
   2,219.33x = 3,062.69 × 1,224.59
4. Step 4: Simplify right side
   2,219.33x = 3,750,518.11
5. Step 5: Solve for x
   x = 3,750,518.11/2,219.33
6. Step 6: Final answer
   x = 1,689.94