Finding the Fourth Proportional to 16,005.78, 22,088.04 and 8,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,005.78 : 22,088.04 = 8,932.50 : x
2. Step 2: Convert to fraction form
   16,005.78/22,088.04 = 8,932.50/x
3. Step 3: Cross multiply
   16,005.78x = 22,088.04 × 8,932.50
4. Step 4: Simplify right side
   16,005.78x = 197,301,417.30
5. Step 5: Solve for x
   x = 197,301,417.30/16,005.78
6. Step 6: Final answer
   x = 12,326.89