Finding the Fourth Proportional to 11,462.69, 17,192.89 and 3,143.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,462.69 : 17,192.89 = 3,143.55 : x
2. Step 2: Convert to fraction form
   11,462.69/17,192.89 = 3,143.55/x
3. Step 3: Cross multiply
   11,462.69x = 17,192.89 × 3,143.55
4. Step 4: Simplify right side
   11,462.69x = 54,046,650.24
5. Step 5: Solve for x
   x = 54,046,650.24/11,462.69
6. Step 6: Final answer
   x = 4,715.00