Finding the Fourth Proportional to 2,120.79, 3,180.41 and 733.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120.79 : 3,180.41 = 733.71 : x
2. Step 2: Convert to fraction form
   2,120.79/3,180.41 = 733.71/x
3. Step 3: Cross multiply
   2,120.79x = 3,180.41 × 733.71
4. Step 4: Simplify right side
   2,120.79x = 2,333,498.62
5. Step 5: Solve for x
   x = 2,333,498.62/2,120.79
6. Step 6: Final answer
   x = 1,100.30