Finding the Fourth Proportional to 1,308.10, 1,959.42 and 983.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308.10 : 1,959.42 = 983.02 : x
2. Step 2: Convert to fraction form
   1,308.10/1,959.42 = 983.02/x
3. Step 3: Cross multiply
   1,308.10x = 1,959.42 × 983.02
4. Step 4: Simplify right side
   1,308.10x = 1,926,149.05
5. Step 5: Solve for x
   x = 1,926,149.05/1,308.10
6. Step 6: Final answer
   x = 1,472.48