Finding the Fourth Proportional to 12,012.61, 16,568.28 and 10,336.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,012.61 : 16,568.28 = 10,336.83 : x
2. Step 2: Convert to fraction form
   12,012.61/16,568.28 = 10,336.83/x
3. Step 3: Cross multiply
   12,012.61x = 16,568.28 × 10,336.83
4. Step 4: Simplify right side
   12,012.61x = 171,263,410.91
5. Step 5: Solve for x
   x = 171,263,410.91/12,012.61
6. Step 6: Final answer
   x = 14,256.97