Finding the Fourth Proportional to 11,446.78, 17,167.48 and 3,124.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,446.78 : 17,167.48 = 3,124.82 : x
2. Step 2: Convert to fraction form
   11,446.78/17,167.48 = 3,124.82/x
3. Step 3: Cross multiply
   11,446.78x = 17,167.48 × 3,124.82
4. Step 4: Simplify right side
   11,446.78x = 53,645,284.85
5. Step 5: Solve for x
   x = 53,645,284.85/11,446.78
6. Step 6: Final answer
   x = 4,686.50