Finding the Fourth Proportional to 10,740.67, 16,107.13 and 3,718.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,740.67 : 16,107.13 = 3,718.78 : x
2. Step 2: Convert to fraction form
   10,740.67/16,107.13 = 3,718.78/x
3. Step 3: Cross multiply
   10,740.67x = 16,107.13 × 3,718.78
4. Step 4: Simplify right side
   10,740.67x = 59,898,872.90
5. Step 5: Solve for x
   x = 59,898,872.90/10,740.67
6. Step 6: Final answer
   x = 5,576.83