Finding the Fourth Proportional to 16,030.86, 22,123.61 and 8,957.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,030.86 : 22,123.61 = 8,957.30 : x
2. Step 2: Convert to fraction form
   16,030.86/22,123.61 = 8,957.30/x
3. Step 3: Cross multiply
   16,030.86x = 22,123.61 × 8,957.30
4. Step 4: Simplify right side
   16,030.86x = 198,167,656.45
5. Step 5: Solve for x
   x = 198,167,656.45/16,030.86
6. Step 6: Final answer
   x = 12,361.64