Finding the Fourth Proportional to 1,505.88, 2,079.54 and 983.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,505.88 : 2,079.54 = 983.16 : x
2. Step 2: Convert to fraction form
   1,505.88/2,079.54 = 983.16/x
3. Step 3: Cross multiply
   1,505.88x = 2,079.54 × 983.16
4. Step 4: Simplify right side
   1,505.88x = 2,044,520.55
5. Step 5: Solve for x
   x = 2,044,520.55/1,505.88
6. Step 6: Final answer
   x = 1,357.69