Finding the Fourth Proportional to 5,429.98, 8,142.54 and 2,308.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,429.98 : 8,142.54 = 2,308.24 : x
2. Step 2: Convert to fraction form
   5,429.98/8,142.54 = 2,308.24/x
3. Step 3: Cross multiply
   5,429.98x = 8,142.54 × 2,308.24
4. Step 4: Simplify right side
   5,429.98x = 18,794,936.53
5. Step 5: Solve for x
   x = 18,794,936.53/5,429.98
6. Step 6: Final answer
   x = 3,461.33