Finding the Fourth Proportional to 11,647.23, 17,471.73 and 3,856.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,647.23 : 17,471.73 = 3,856.02 : x
2. Step 2: Convert to fraction form
   11,647.23/17,471.73 = 3,856.02/x
3. Step 3: Cross multiply
   11,647.23x = 17,471.73 × 3,856.02
4. Step 4: Simplify right side
   11,647.23x = 67,371,340.31
5. Step 5: Solve for x
   x = 67,371,340.31/11,647.23
6. Step 6: Final answer
   x = 5,784.32