Finding the Fourth Proportional to 1,222.43, 1,824.76 and 1,132.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222.43 : 1,824.76 = 1,132.31 : x
2. Step 2: Convert to fraction form
   1,222.43/1,824.76 = 1,132.31/x
3. Step 3: Cross multiply
   1,222.43x = 1,824.76 × 1,132.31
4. Step 4: Simplify right side
   1,222.43x = 2,066,199.97
5. Step 5: Solve for x
   x = 2,066,199.97/1,222.43
6. Step 6: Final answer
   x = 1,690.25