Finding the Fourth Proportional to 12,693, 17,516.49 and 7,027.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,693 : 17,516.49 = 7,027.86 : x
2. Step 2: Convert to fraction form
   12,693/17,516.49 = 7,027.86/x
3. Step 3: Cross multiply
   12,693x = 17,516.49 × 7,027.86
4. Step 4: Simplify right side
   12,693x = 123,103,439.41
5. Step 5: Solve for x
   x = 123,103,439.41/12,693
6. Step 6: Final answer
   x = 9,698.53