Finding the Fourth Proportional to 12,633.15, 17,440.88 and 8,759.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,633.15 : 17,440.88 = 8,759.55 : x
2. Step 2: Convert to fraction form
   12,633.15/17,440.88 = 8,759.55/x
3. Step 3: Cross multiply
   12,633.15x = 17,440.88 × 8,759.55
4. Step 4: Simplify right side
   12,633.15x = 152,774,216.61
5. Step 5: Solve for x
   x = 152,774,216.61/12,633.15
6. Step 6: Final answer
   x = 12,093.12