Finding the Fourth Proportional to 16,140.52, 22,272.72 and 9,068.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,140.52 : 22,272.72 = 9,068.12 : x
2. Step 2: Convert to fraction form
   16,140.52/22,272.72 = 9,068.12/x
3. Step 3: Cross multiply
   16,140.52x = 22,272.72 × 9,068.12
4. Step 4: Simplify right side
   16,140.52x = 201,971,697.69
5. Step 5: Solve for x
   x = 201,971,697.69/16,140.52
6. Step 6: Final answer
   x = 12,513.33