Finding the Fourth Proportional to 2,024.37, 2,775.40 and 1,987.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,024.37 : 2,775.40 = 1,987.46 : x
2. Step 2: Convert to fraction form
   2,024.37/2,775.40 = 1,987.46/x
3. Step 3: Cross multiply
   2,024.37x = 2,775.40 × 1,987.46
4. Step 4: Simplify right side
   2,024.37x = 5,515,996.48
5. Step 5: Solve for x
   x = 5,515,996.48/2,024.37
6. Step 6: Final answer
   x = 2,724.80