Finding the Fourth Proportional to 1,550.12, 2,321.52 and 1,223.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.12 : 2,321.52 = 1,223.30 : x
2. Step 2: Convert to fraction form
   1,550.12/2,321.52 = 1,223.30/x
3. Step 3: Cross multiply
   1,550.12x = 2,321.52 × 1,223.30
4. Step 4: Simplify right side
   1,550.12x = 2,839,915.42
5. Step 5: Solve for x
   x = 2,839,915.42/1,550.12
6. Step 6: Final answer
   x = 1,832.06