Finding the Fourth Proportional to 10,142.90, 15,215.24 and 3,569.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,142.90 : 15,215.24 = 3,569.14 : x
2. Step 2: Convert to fraction form
   10,142.90/15,215.24 = 3,569.14/x
3. Step 3: Cross multiply
   10,142.90x = 15,215.24 × 3,569.14
4. Step 4: Simplify right side
   10,142.90x = 54,305,321.69
5. Step 5: Solve for x
   x = 54,305,321.69/10,142.90
6. Step 6: Final answer
   x = 5,354.02