Finding the Fourth Proportional to 11,647.25, 17,473.61 and 3,856.07

Step by Step Solution

1. Step 1: Write the proportion equation
   11,647.25 : 17,473.61 = 3,856.07 : x
2. Step 2: Convert to fraction form
   11,647.25/17,473.61 = 3,856.07/x
3. Step 3: Cross multiply
   11,647.25x = 17,473.61 × 3,856.07
4. Step 4: Simplify right side
   11,647.25x = 67,379,444.03
5. Step 5: Solve for x
   x = 67,379,444.03/11,647.25
6. Step 6: Final answer
   x = 5,785.01