Finding the Fourth Proportional to 2,919.91, 4,028.72 and 1,740.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,919.91 : 4,028.72 = 1,740.15 : x
2. Step 2: Convert to fraction form
   2,919.91/4,028.72 = 1,740.15/x
3. Step 3: Cross multiply
   2,919.91x = 4,028.72 × 1,740.15
4. Step 4: Simplify right side
   2,919.91x = 7,010,577.11
5. Step 5: Solve for x
   x = 7,010,577.11/2,919.91
6. Step 6: Final answer
   x = 2,400.96