Finding the Fourth Proportional to 1,646.52, 2,271.76 and 983.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,646.52 : 2,271.76 = 983.53 : x
2. Step 2: Convert to fraction form
   1,646.52/2,271.76 = 983.53/x
3. Step 3: Cross multiply
   1,646.52x = 2,271.76 × 983.53
4. Step 4: Simplify right side
   1,646.52x = 2,234,350.03
5. Step 5: Solve for x
   x = 2,234,350.03/1,646.52
6. Step 6: Final answer
   x = 1,357.02