Finding the Fourth Proportional to 2,259.11, 3,117.89 and 1,630.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.11 : 3,117.89 = 1,630.49 : x
2. Step 2: Convert to fraction form
   2,259.11/3,117.89 = 1,630.49/x
3. Step 3: Cross multiply
   2,259.11x = 3,117.89 × 1,630.49
4. Step 4: Simplify right side
   2,259.11x = 5,083,688.47
5. Step 5: Solve for x
   x = 5,083,688.47/2,259.11
6. Step 6: Final answer
   x = 2,250.31