Finding the Fourth Proportional to 2,590.22, 3,883.71 and 1,202.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.22 : 3,883.71 = 1,202.69 : x
2. Step 2: Convert to fraction form
   2,590.22/3,883.71 = 1,202.69/x
3. Step 3: Cross multiply
   2,590.22x = 3,883.71 × 1,202.69
4. Step 4: Simplify right side
   2,590.22x = 4,670,899.18
5. Step 5: Solve for x
   x = 4,670,899.18/2,590.22
6. Step 6: Final answer
   x = 1,803.28