Finding the Fourth Proportional to 16,087.49, 22,200.38 and 9,372.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,087.49 : 22,200.38 = 9,372.70 : x
2. Step 2: Convert to fraction form
   16,087.49/22,200.38 = 9,372.70/x
3. Step 3: Cross multiply
   16,087.49x = 22,200.38 × 9,372.70
4. Step 4: Simplify right side
   16,087.49x = 208,077,392.78
5. Step 5: Solve for x
   x = 208,077,392.78/16,087.49
6. Step 6: Final answer
   x = 12,934.11