Finding the Fourth Proportional to 1,814.82, 2,490.30 and 1,648.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,814.82 : 2,490.30 = 1,648.50 : x
2. Step 2: Convert to fraction form
   1,814.82/2,490.30 = 1,648.50/x
3. Step 3: Cross multiply
   1,814.82x = 2,490.30 × 1,648.50
4. Step 4: Simplify right side
   1,814.82x = 4,105,259.55
5. Step 5: Solve for x
   x = 4,105,259.55/1,814.82
6. Step 6: Final answer
   x = 2,262.08