Finding the Fourth Proportional to 1,499.71, 2,247.73 and 677.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.71 : 2,247.73 = 677.15 : x
2. Step 2: Convert to fraction form
   1,499.71/2,247.73 = 677.15/x
3. Step 3: Cross multiply
   1,499.71x = 2,247.73 × 677.15
4. Step 4: Simplify right side
   1,499.71x = 1,522,050.37
5. Step 5: Solve for x
   x = 1,522,050.37/1,499.71
6. Step 6: Final answer
   x = 1,014.90