Finding the Fourth Proportional to 11,649.49, 17,473.82 and 3,858.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,649.49 : 17,473.82 = 3,858.23 : x
2. Step 2: Convert to fraction form
   11,649.49/17,473.82 = 3,858.23/x
3. Step 3: Cross multiply
   11,649.49x = 17,473.82 × 3,858.23
4. Step 4: Simplify right side
   11,649.49x = 67,418,016.54
5. Step 5: Solve for x
   x = 67,418,016.54/11,649.49
6. Step 6: Final answer
   x = 5,787.21