Finding the Fourth Proportional to 12,093.12, 16,693.92 and 7,379.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093.12 : 16,693.92 = 7,379.28 : x
2. Step 2: Convert to fraction form
   12,093.12/16,693.92 = 7,379.28/x
3. Step 3: Cross multiply
   12,093.12x = 16,693.92 × 7,379.28
4. Step 4: Simplify right side
   12,093.12x = 123,189,109.98
5. Step 5: Solve for x
   x = 123,189,109.98/12,093.12
6. Step 6: Final answer
   x = 10,186.71