Finding the Fourth Proportional to 2,233.02, 3,081.45 and 1,224.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,233.02 : 3,081.45 = 1,224.74 : x
2. Step 2: Convert to fraction form
   2,233.02/3,081.45 = 1,224.74/x
3. Step 3: Cross multiply
   2,233.02x = 3,081.45 × 1,224.74
4. Step 4: Simplify right side
   2,233.02x = 3,773,959.67
5. Step 5: Solve for x
   x = 3,773,959.67/2,233.02
6. Step 6: Final answer
   x = 1,690.07