Finding the Fourth Proportional to 2,401.96, 3,320.34 and 2,379.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,401.96 : 3,320.34 = 2,379.88 : x
2. Step 2: Convert to fraction form
   2,401.96/3,320.34 = 2,379.88/x
3. Step 3: Cross multiply
   2,401.96x = 3,320.34 × 2,379.88
4. Step 4: Simplify right side
   2,401.96x = 7,902,010.76
5. Step 5: Solve for x
   x = 7,902,010.76/2,401.96
6. Step 6: Final answer
   x = 3,289.82