Finding the Fourth Proportional to 16,004.24, 22,085.74 and 9,290.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,004.24 : 22,085.74 = 9,290.50 : x
2. Step 2: Convert to fraction form
   16,004.24/22,085.74 = 9,290.50/x
3. Step 3: Cross multiply
   16,004.24x = 22,085.74 × 9,290.50
4. Step 4: Simplify right side
   16,004.24x = 205,187,471.61
5. Step 5: Solve for x
   x = 205,187,471.61/16,004.24
6. Step 6: Final answer
   x = 12,820.82