Finding the Fourth Proportional to 9,142.18, 13,710.44 and 3,298.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142.18 : 13,710.44 = 3,298.04 : x
2. Step 2: Convert to fraction form
   9,142.18/13,710.44 = 3,298.04/x
3. Step 3: Cross multiply
   9,142.18x = 13,710.44 × 3,298.04
4. Step 4: Simplify right side
   9,142.18x = 45,217,579.54
5. Step 5: Solve for x
   x = 45,217,579.54/9,142.18
6. Step 6: Final answer
   x = 4,946.04