Finding the Fourth Proportional to 1,080.93, 1,618.38 and 983.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,080.93 : 1,618.38 = 983.52 : x
2. Step 2: Convert to fraction form
   1,080.93/1,618.38 = 983.52/x
3. Step 3: Cross multiply
   1,080.93x = 1,618.38 × 983.52
4. Step 4: Simplify right side
   1,080.93x = 1,591,709.10
5. Step 5: Solve for x
   x = 1,591,709.10/1,080.93
6. Step 6: Final answer
   x = 1,472.54