Finding the Fourth Proportional to 3,820.48, 5,725.68 and 2,429.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.48 : 5,725.68 = 2,429.44 : x
2. Step 2: Convert to fraction form
   3,820.48/5,725.68 = 2,429.44/x
3. Step 3: Cross multiply
   3,820.48x = 5,725.68 × 2,429.44
4. Step 4: Simplify right side
   3,820.48x = 13,910,196.02
5. Step 5: Solve for x
   x = 13,910,196.02/3,820.48
6. Step 6: Final answer
   x = 3,640.96