Finding the Fourth Proportional to 16,196.76, 22,343.89 and 9,478.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,196.76 : 22,343.89 = 9,478.22 : x
2. Step 2: Convert to fraction form
   16,196.76/22,343.89 = 9,478.22/x
3. Step 3: Cross multiply
   16,196.76x = 22,343.89 × 9,478.22
4. Step 4: Simplify right side
   16,196.76x = 211,780,337.24
5. Step 5: Solve for x
   x = 211,780,337.24/16,196.76
6. Step 6: Final answer
   x = 13,075.48