Finding the Fourth Proportional to 2,522.70, 3,783.21 and 1,223.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.70 : 3,783.21 = 1,223.34 : x
2. Step 2: Convert to fraction form
   2,522.70/3,783.21 = 1,223.34/x
3. Step 3: Cross multiply
   2,522.70x = 3,783.21 × 1,223.34
4. Step 4: Simplify right side
   2,522.70x = 4,628,152.12
5. Step 5: Solve for x
   x = 4,628,152.12/2,522.70
6. Step 6: Final answer
   x = 1,834.60