Finding the Fourth Proportional to 1,322.34, 1,983.52 and 348.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,322.34 : 1,983.52 = 348.42 : x
2. Step 2: Convert to fraction form
   1,322.34/1,983.52 = 348.42/x
3. Step 3: Cross multiply
   1,322.34x = 1,983.52 × 348.42
4. Step 4: Simplify right side
   1,322.34x = 691,098.04
5. Step 5: Solve for x
   x = 691,098.04/1,322.34
6. Step 6: Final answer
   x = 522.63