Finding the Fourth Proportional to 10,688.94, 16,037.06 and 5,759.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,688.94 : 16,037.06 = 5,759.09 : x
2. Step 2: Convert to fraction form
   10,688.94/16,037.06 = 5,759.09/x
3. Step 3: Cross multiply
   10,688.94x = 16,037.06 × 5,759.09
4. Step 4: Simplify right side
   10,688.94x = 92,358,762.89
5. Step 5: Solve for x
   x = 92,358,762.89/10,688.94
6. Step 6: Final answer
   x = 8,640.59