Finding the Fourth Proportional to 1,983.41, 2,736.32 and 1,275.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,983.41 : 2,736.32 = 1,275.15 : x
2. Step 2: Convert to fraction form
   1,983.41/2,736.32 = 1,275.15/x
3. Step 3: Cross multiply
   1,983.41x = 2,736.32 × 1,275.15
4. Step 4: Simplify right side
   1,983.41x = 3,489,218.45
5. Step 5: Solve for x
   x = 3,489,218.45/1,983.41
6. Step 6: Final answer
   x = 1,759.20