Finding the Fourth Proportional to 16,005.33, 22,088.30 and 9,288.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,005.33 : 22,088.30 = 9,288.50 : x
2. Step 2: Convert to fraction form
   16,005.33/22,088.30 = 9,288.50/x
3. Step 3: Cross multiply
   16,005.33x = 22,088.30 × 9,288.50
4. Step 4: Simplify right side
   16,005.33x = 205,167,017.67
5. Step 5: Solve for x
   x = 205,167,017.67/16,005.33
6. Step 6: Final answer
   x = 12,818.67