Finding the Fourth Proportional to 1,498.31, 2,247.30 and 676.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.31 : 2,247.30 = 676.56 : x
2. Step 2: Convert to fraction form
   1,498.31/2,247.30 = 676.56/x
3. Step 3: Cross multiply
   1,498.31x = 2,247.30 × 676.56
4. Step 4: Simplify right side
   1,498.31x = 1,520,433.29
5. Step 5: Solve for x
   x = 1,520,433.29/1,498.31
6. Step 6: Final answer
   x = 1,014.77