Finding the Fourth Proportional to 16,530.89, 22,812.00 and 8,977.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,530.89 : 22,812.00 = 8,977.06 : x
2. Step 2: Convert to fraction form
   16,530.89/22,812.00 = 8,977.06/x
3. Step 3: Cross multiply
   16,530.89x = 22,812.00 × 8,977.06
4. Step 4: Simplify right side
   16,530.89x = 204,784,763.31
5. Step 5: Solve for x
   x = 204,784,763.31/16,530.89
6. Step 6: Final answer
   x = 12,388.00