Finding the Fourth Proportional to 16,072.82, 22,176.91 and 9,700.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,072.82 : 22,176.91 = 9,700.45 : x
2. Step 2: Convert to fraction form
   16,072.82/22,176.91 = 9,700.45/x
3. Step 3: Cross multiply
   16,072.82x = 22,176.91 × 9,700.45
4. Step 4: Simplify right side
   16,072.82x = 215,126,006.61
5. Step 5: Solve for x
   x = 215,126,006.61/16,072.82
6. Step 6: Final answer
   x = 13,384.46