Finding the Fourth Proportional to 2,522.91, 3,781.92 and 1,223.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.91 : 3,781.92 = 1,223.67 : x
2. Step 2: Convert to fraction form
   2,522.91/3,781.92 = 1,223.67/x
3. Step 3: Cross multiply
   2,522.91x = 3,781.92 × 1,223.67
4. Step 4: Simplify right side
   2,522.91x = 4,627,822.05
5. Step 5: Solve for x
   x = 4,627,822.05/2,522.91
6. Step 6: Final answer
   x = 1,834.32