Finding the Fourth Proportional to 1,949.72, 2,690.82 and 1,203.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,949.72 : 2,690.82 = 1,203.71 : x
2. Step 2: Convert to fraction form
   1,949.72/2,690.82 = 1,203.71/x
3. Step 3: Cross multiply
   1,949.72x = 2,690.82 × 1,203.71
4. Step 4: Simplify right side
   1,949.72x = 3,238,953.49
5. Step 5: Solve for x
   x = 3,238,953.49/1,949.72
6. Step 6: Final answer
   x = 1,661.24