Finding the Fourth Proportional to 16,050.42, 22,149.72 and 8,977.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,050.42 : 22,149.72 = 8,977.50 : x
2. Step 2: Convert to fraction form
   16,050.42/22,149.72 = 8,977.50/x
3. Step 3: Cross multiply
   16,050.42x = 22,149.72 × 8,977.50
4. Step 4: Simplify right side
   16,050.42x = 198,849,111.30
5. Step 5: Solve for x
   x = 198,849,111.30/16,050.42
6. Step 6: Final answer
   x = 12,389.03