Finding the Fourth Proportional to 16,502.05, 22,772.52 and 9,331.87

Step by Step Solution

1. Step 1: Write the proportion equation
   16,502.05 : 22,772.52 = 9,331.87 : x
2. Step 2: Convert to fraction form
   16,502.05/22,772.52 = 9,331.87/x
3. Step 3: Cross multiply
   16,502.05x = 22,772.52 × 9,331.87
4. Step 4: Simplify right side
   16,502.05x = 212,510,196.21
5. Step 5: Solve for x
   x = 212,510,196.21/16,502.05
6. Step 6: Final answer
   x = 12,877.81