Finding the Fourth Proportional to 16,182.69, 22,332.71 and 9,012.87

Step by Step Solution

1. Step 1: Write the proportion equation
   16,182.69 : 22,332.71 = 9,012.87 : x
2. Step 2: Convert to fraction form
   16,182.69/22,332.71 = 9,012.87/x
3. Step 3: Cross multiply
   16,182.69x = 22,332.71 × 9,012.87
4. Step 4: Simplify right side
   16,182.69x = 201,281,834.51
5. Step 5: Solve for x
   x = 201,281,834.51/16,182.69
6. Step 6: Final answer
   x = 12,438.10