Finding the Fourth Proportional to 2,456.28, 3,684.62 and 1,475.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.28 : 3,684.62 = 1,475.78 : x
2. Step 2: Convert to fraction form
   2,456.28/3,684.62 = 1,475.78/x
3. Step 3: Cross multiply
   2,456.28x = 3,684.62 × 1,475.78
4. Step 4: Simplify right side
   2,456.28x = 5,437,673.77
5. Step 5: Solve for x
   x = 5,437,673.77/2,456.28
6. Step 6: Final answer
   x = 2,213.78