Finding the Fourth Proportional to 2,590.16, 3,883.32 and 1,273.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.16 : 3,883.32 = 1,273.50 : x
2. Step 2: Convert to fraction form
   2,590.16/3,883.32 = 1,273.50/x
3. Step 3: Cross multiply
   2,590.16x = 3,883.32 × 1,273.50
4. Step 4: Simplify right side
   2,590.16x = 4,945,408.02
5. Step 5: Solve for x
   x = 4,945,408.02/2,590.16
6. Step 6: Final answer
   x = 1,909.31