Finding the Fourth Proportional to 2,407.84, 3,612.38 and 676.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,407.84 : 3,612.38 = 676.47 : x
2. Step 2: Convert to fraction form
   2,407.84/3,612.38 = 676.47/x
3. Step 3: Cross multiply
   2,407.84x = 3,612.38 × 676.47
4. Step 4: Simplify right side
   2,407.84x = 2,443,666.70
5. Step 5: Solve for x
   x = 2,443,666.70/2,407.84
6. Step 6: Final answer
   x = 1,014.88