Finding the Fourth Proportional to 2,018.86, 3,028.34 and 632.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.86 : 3,028.34 = 632.55 : x
2. Step 2: Convert to fraction form
   2,018.86/3,028.34 = 632.55/x
3. Step 3: Cross multiply
   2,018.86x = 3,028.34 × 632.55
4. Step 4: Simplify right side
   2,018.86x = 1,915,576.47
5. Step 5: Solve for x
   x = 1,915,576.47/2,018.86
6. Step 6: Final answer
   x = 948.84