Finding the Fourth Proportional to 16,196.48, 22,343.50 and 9,477.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,196.48 : 22,343.50 = 9,477.98 : x
2. Step 2: Convert to fraction form
   16,196.48/22,343.50 = 9,477.98/x
3. Step 3: Cross multiply
   16,196.48x = 22,343.50 × 9,477.98
4. Step 4: Simplify right side
   16,196.48x = 211,771,222.44
5. Step 5: Solve for x
   x = 211,771,222.44/16,196.48
6. Step 6: Final answer
   x = 13,075.14