Finding the Fourth Proportional to 1,499.56, 2,247.42 and 677.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.56 : 2,247.42 = 677.62 : x
2. Step 2: Convert to fraction form
   1,499.56/2,247.42 = 677.62/x
3. Step 3: Cross multiply
   1,499.56x = 2,247.42 × 677.62
4. Step 4: Simplify right side
   1,499.56x = 1,522,896.74
5. Step 5: Solve for x
   x = 1,522,896.74/1,499.56
6. Step 6: Final answer
   x = 1,015.56