Finding the Fourth Proportional to 3,815.16, 5,732.33 and 2,429.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,815.16 : 5,732.33 = 2,429.12 : x
2. Step 2: Convert to fraction form
   3,815.16/5,732.33 = 2,429.12/x
3. Step 3: Cross multiply
   3,815.16x = 5,732.33 × 2,429.12
4. Step 4: Simplify right side
   3,815.16x = 13,924,517.45
5. Step 5: Solve for x
   x = 13,924,517.45/3,815.16
6. Step 6: Final answer
   x = 3,649.79