Finding the Fourth Proportional to 10,709.07, 16,059.62 and 3,687.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,709.07 : 16,059.62 = 3,687.12 : x
2. Step 2: Convert to fraction form
   10,709.07/16,059.62 = 3,687.12/x
3. Step 3: Cross multiply
   10,709.07x = 16,059.62 × 3,687.12
4. Step 4: Simplify right side
   10,709.07x = 59,213,727.66
5. Step 5: Solve for x
   x = 59,213,727.66/10,709.07
6. Step 6: Final answer
   x = 5,529.31