Finding the Fourth Proportional to 12,105.18, 16,703.01 and 7,390.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,105.18 : 16,703.01 = 7,390.98 : x
2. Step 2: Convert to fraction form
   12,105.18/16,703.01 = 7,390.98/x
3. Step 3: Cross multiply
   12,105.18x = 16,703.01 × 7,390.98
4. Step 4: Simplify right side
   12,105.18x = 123,451,612.85
5. Step 5: Solve for x
   x = 123,451,612.85/12,105.18
6. Step 6: Final answer
   x = 10,198.25