Finding the Fourth Proportional to 2,374.50, 3,560.37 and 986.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,374.50 : 3,560.37 = 986.25 : x
2. Step 2: Convert to fraction form
   2,374.50/3,560.37 = 986.25/x
3. Step 3: Cross multiply
   2,374.50x = 3,560.37 × 986.25
4. Step 4: Simplify right side
   2,374.50x = 3,511,414.91
5. Step 5: Solve for x
   x = 3,511,414.91/2,374.50
6. Step 6: Final answer
   x = 1,478.80