Finding the Fourth Proportional to 16,522, 22,800.72 and 9,070

Step by Step Solution

1. Step 1: Write the proportion equation
   16,522 : 22,800.72 = 9,070 : x
2. Step 2: Convert to fraction form
   16,522/22,800.72 = 9,070/x
3. Step 3: Cross multiply
   16,522x = 22,800.72 × 9,070
4. Step 4: Simplify right side
   16,522x = 206,802,530.40
5. Step 5: Solve for x
   x = 206,802,530.40/16,522
6. Step 6: Final answer
   x = 12,516.80