Finding the Fourth Proportional to 21,904.80, 32,856.72 and 6,109.41

Step by Step Solution

1. Step 1: Write the proportion equation
   21,904.80 : 32,856.72 = 6,109.41 : x
2. Step 2: Convert to fraction form
   21,904.80/32,856.72 = 6,109.41/x
3. Step 3: Cross multiply
   21,904.80x = 32,856.72 × 6,109.41
4. Step 4: Simplify right side
   21,904.80x = 200,735,143.19
5. Step 5: Solve for x
   x = 200,735,143.19/21,904.80
6. Step 6: Final answer
   x = 9,163.98