Finding the Fourth Proportional to 12,109.65, 16,711.10 and 7,393.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,109.65 : 16,711.10 = 7,393.93 : x
2. Step 2: Convert to fraction form
   12,109.65/16,711.10 = 7,393.93/x
3. Step 3: Cross multiply
   12,109.65x = 16,711.10 × 7,393.93
4. Step 4: Simplify right side
   12,109.65x = 123,560,680.33
5. Step 5: Solve for x
   x = 123,560,680.33/12,109.65
6. Step 6: Final answer
   x = 10,203.49