Finding the Fourth Proportional to 2,219.37, 3,062.56 and 1,224.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.37 : 3,062.56 = 1,224.52 : x
2. Step 2: Convert to fraction form
   2,219.37/3,062.56 = 1,224.52/x
3. Step 3: Cross multiply
   2,219.37x = 3,062.56 × 1,224.52
4. Step 4: Simplify right side
   2,219.37x = 3,750,157.55
5. Step 5: Solve for x
   x = 3,750,157.55/2,219.37
6. Step 6: Final answer
   x = 1,689.74