Finding the Fourth Proportional to 2,018.86, 3,027.93 and 538.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.86 : 3,027.93 = 538.09 : x
2. Step 2: Convert to fraction form
   2,018.86/3,027.93 = 538.09/x
3. Step 3: Cross multiply
   2,018.86x = 3,027.93 × 538.09
4. Step 4: Simplify right side
   2,018.86x = 1,629,298.85
5. Step 5: Solve for x
   x = 1,629,298.85/2,018.86
6. Step 6: Final answer
   x = 807.04