Finding the Fourth Proportional to 2,633.41, 3,941.54 and 1,939.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,633.41 : 3,941.54 = 1,939.80 : x
2. Step 2: Convert to fraction form
   2,633.41/3,941.54 = 1,939.80/x
3. Step 3: Cross multiply
   2,633.41x = 3,941.54 × 1,939.80
4. Step 4: Simplify right side
   2,633.41x = 7,645,789.59
5. Step 5: Solve for x
   x = 7,645,789.59/2,633.41
6. Step 6: Final answer
   x = 2,903.39