Finding the Fourth Proportional to 12,866.37, 17,759.97 and 7,562.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,866.37 : 17,759.97 = 7,562.76 : x
2. Step 2: Convert to fraction form
   12,866.37/17,759.97 = 7,562.76/x
3. Step 3: Cross multiply
   12,866.37x = 17,759.97 × 7,562.76
4. Step 4: Simplify right side
   12,866.37x = 134,314,390.72
5. Step 5: Solve for x
   x = 134,314,390.72/12,866.37
6. Step 6: Final answer
   x = 10,439.18