Finding the Fourth Proportional to 2,590.22, 3,882.94 and 945.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590.22 : 3,882.94 = 945.62 : x
2. Step 2: Convert to fraction form
   2,590.22/3,882.94 = 945.62/x
3. Step 3: Cross multiply
   2,590.22x = 3,882.94 × 945.62
4. Step 4: Simplify right side
   2,590.22x = 3,671,763.94
5. Step 5: Solve for x
   x = 3,671,763.94/2,590.22
6. Step 6: Final answer
   x = 1,417.55