Finding the Fourth Proportional to 16,884.77, 23,300.83 and 9,331.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,884.77 : 23,300.83 = 9,331.61 : x
2. Step 2: Convert to fraction form
   16,884.77/23,300.83 = 9,331.61/x
3. Step 3: Cross multiply
   16,884.77x = 23,300.83 × 9,331.61
4. Step 4: Simplify right side
   16,884.77x = 217,434,118.40
5. Step 5: Solve for x
   x = 217,434,118.40/16,884.77
6. Step 6: Final answer
   x = 12,877.53