Finding the Fourth Proportional to 10,715.20, 16,073.86 and 3,694.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,715.20 : 16,073.86 = 3,694.29 : x
2. Step 2: Convert to fraction form
   10,715.20/16,073.86 = 3,694.29/x
3. Step 3: Cross multiply
   10,715.20x = 16,073.86 × 3,694.29
4. Step 4: Simplify right side
   10,715.20x = 59,381,500.26
5. Step 5: Solve for x
   x = 59,381,500.26/10,715.20
6. Step 6: Final answer
   x = 5,541.80