Finding the Fourth Proportional to 1,811.28, 2,498.27 and 1,662.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811.28 : 2,498.27 = 1,662.39 : x
2. Step 2: Convert to fraction form
   1,811.28/2,498.27 = 1,662.39/x
3. Step 3: Cross multiply
   1,811.28x = 2,498.27 × 1,662.39
4. Step 4: Simplify right side
   1,811.28x = 4,153,093.85
5. Step 5: Solve for x
   x = 4,153,093.85/1,811.28
6. Step 6: Final answer
   x = 2,292.91