Finding the Fourth Proportional to 12,142.21, 16,758.10 and 7,362.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,142.21 : 16,758.10 = 7,362.93 : x
2. Step 2: Convert to fraction form
   12,142.21/16,758.10 = 7,362.93/x
3. Step 3: Cross multiply
   12,142.21x = 16,758.10 × 7,362.93
4. Step 4: Simplify right side
   12,142.21x = 123,388,651.85
5. Step 5: Solve for x
   x = 123,388,651.85/12,142.21
6. Step 6: Final answer
   x = 10,161.96