Finding the Fourth Proportional to 2,068.38, 3,097.71 and 1,721.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.38 : 3,097.71 = 1,721.70 : x
2. Step 2: Convert to fraction form
   2,068.38/3,097.71 = 1,721.70/x
3. Step 3: Cross multiply
   2,068.38x = 3,097.71 × 1,721.70
4. Step 4: Simplify right side
   2,068.38x = 5,333,327.31
5. Step 5: Solve for x
   x = 5,333,327.31/2,068.38
6. Step 6: Final answer
   x = 2,578.50