Finding the Fourth Proportional to 2,118.82, 3,180.27 and 1,023.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.82 : 3,180.27 = 1,023.95 : x
2. Step 2: Convert to fraction form
   2,118.82/3,180.27 = 1,023.95/x
3. Step 3: Cross multiply
   2,118.82x = 3,180.27 × 1,023.95
4. Step 4: Simplify right side
   2,118.82x = 3,256,437.47
5. Step 5: Solve for x
   x = 3,256,437.47/2,118.82
6. Step 6: Final answer
   x = 1,536.91