Finding the Fourth Proportional to 11,649.99, 17,474.56 and 3,858.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,649.99 : 17,474.56 = 3,858.73 : x
2. Step 2: Convert to fraction form
   11,649.99/17,474.56 = 3,858.73/x
3. Step 3: Cross multiply
   11,649.99x = 17,474.56 × 3,858.73
4. Step 4: Simplify right side
   11,649.99x = 67,429,608.91
5. Step 5: Solve for x
   x = 67,429,608.91/11,649.99
6. Step 6: Final answer
   x = 5,787.95