Finding the Fourth Proportional to 1,983.34, 2,737.17 and 1,321.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,983.34 : 2,737.17 = 1,321.31 : x
2. Step 2: Convert to fraction form
   1,983.34/2,737.17 = 1,321.31/x
3. Step 3: Cross multiply
   1,983.34x = 2,737.17 × 1,321.31
4. Step 4: Simplify right side
   1,983.34x = 3,616,653.22
5. Step 5: Solve for x
   x = 3,616,653.22/1,983.34
6. Step 6: Final answer
   x = 1,823.52