Finding the Fourth Proportional to 1,983.82, 2,973.58 and 1,290.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,983.82 : 2,973.58 = 1,290.98 : x
2. Step 2: Convert to fraction form
   1,983.82/2,973.58 = 1,290.98/x
3. Step 3: Cross multiply
   1,983.82x = 2,973.58 × 1,290.98
4. Step 4: Simplify right side
   1,983.82x = 3,838,825.36
5. Step 5: Solve for x
   x = 3,838,825.36/1,983.82
6. Step 6: Final answer
   x = 1,935.07