Finding the Fourth Proportional to 1,633.50, 2,250.63 and 1,590.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,633.50 : 2,250.63 = 1,590.30 : x
2. Step 2: Convert to fraction form
   1,633.50/2,250.63 = 1,590.30/x
3. Step 3: Cross multiply
   1,633.50x = 2,250.63 × 1,590.30
4. Step 4: Simplify right side
   1,633.50x = 3,579,176.89
5. Step 5: Solve for x
   x = 3,579,176.89/1,633.50
6. Step 6: Final answer
   x = 2,191.11