Finding the Fourth Proportional to 2,219.46, 3,062.53 and 1,275.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.46 : 3,062.53 = 1,275.30 : x
2. Step 2: Convert to fraction form
   2,219.46/3,062.53 = 1,275.30/x
3. Step 3: Cross multiply
   2,219.46x = 3,062.53 × 1,275.30
4. Step 4: Simplify right side
   2,219.46x = 3,905,658.30
5. Step 5: Solve for x
   x = 3,905,658.30/2,219.46
6. Step 6: Final answer
   x = 1,759.73