Finding the Fourth Proportional to 3,401.48, 5,088.78 and 2,429.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.48 : 5,088.78 = 2,429.96 : x
2. Step 2: Convert to fraction form
   3,401.48/5,088.78 = 2,429.96/x
3. Step 3: Cross multiply
   3,401.48x = 5,088.78 × 2,429.96
4. Step 4: Simplify right side
   3,401.48x = 12,365,531.85
5. Step 5: Solve for x
   x = 12,365,531.85/3,401.48
6. Step 6: Final answer
   x = 3,635.34