Finding the Fourth Proportional to 2,919.34, 4,026.69 and 1,739.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,919.34 : 4,026.69 = 1,739.50 : x
2. Step 2: Convert to fraction form
   2,919.34/4,026.69 = 1,739.50/x
3. Step 3: Cross multiply
   2,919.34x = 4,026.69 × 1,739.50
4. Step 4: Simplify right side
   2,919.34x = 7,004,427.26
5. Step 5: Solve for x
   x = 7,004,427.26/2,919.34
6. Step 6: Final answer
   x = 2,399.32