Finding the Fourth Proportional to 11,650.92, 17,474.70 and 3,858.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,650.92 : 17,474.70 = 3,858.72 : x
2. Step 2: Convert to fraction form
   11,650.92/17,474.70 = 3,858.72/x
3. Step 3: Cross multiply
   11,650.92x = 17,474.70 × 3,858.72
4. Step 4: Simplify right side
   11,650.92x = 67,429,974.38
5. Step 5: Solve for x
   x = 67,429,974.38/11,650.92
6. Step 6: Final answer
   x = 5,787.52