Finding the Fourth Proportional to 16,582.72, 22,882.80 and 9,130.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,582.72 : 22,882.80 = 9,130.72 : x
2. Step 2: Convert to fraction form
   16,582.72/22,882.80 = 9,130.72/x
3. Step 3: Cross multiply
   16,582.72x = 22,882.80 × 9,130.72
4. Step 4: Simplify right side
   16,582.72x = 208,936,439.62
5. Step 5: Solve for x
   x = 208,936,439.62/16,582.72
6. Step 6: Final answer
   x = 12,599.65