Finding the Fourth Proportional to 3,919.34, 5,411.96 and 2,598.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,919.34 : 5,411.96 = 2,598.94 : x
2. Step 2: Convert to fraction form
   3,919.34/5,411.96 = 2,598.94/x
3. Step 3: Cross multiply
   3,919.34x = 5,411.96 × 2,598.94
4. Step 4: Simplify right side
   3,919.34x = 14,065,359.32
5. Step 5: Solve for x
   x = 14,065,359.32/3,919.34
6. Step 6: Final answer
   x = 3,588.71