Finding the Fourth Proportional to 2,149.50, 3,225.60 and 1,663.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149.50 : 3,225.60 = 1,663.50 : x
2. Step 2: Convert to fraction form
   2,149.50/3,225.60 = 1,663.50/x
3. Step 3: Cross multiply
   2,149.50x = 3,225.60 × 1,663.50
4. Step 4: Simplify right side
   2,149.50x = 5,365,785.60
5. Step 5: Solve for x
   x = 5,365,785.60/2,149.50
6. Step 6: Final answer
   x = 2,496.29