Finding the Fourth Proportional to 12,579.06, 17,364.06 and 8,103

Step by Step Solution

1. Step 1: Write the proportion equation
   12,579.06 : 17,364.06 = 8,103 : x
2. Step 2: Convert to fraction form
   12,579.06/17,364.06 = 8,103/x
3. Step 3: Cross multiply
   12,579.06x = 17,364.06 × 8,103
4. Step 4: Simplify right side
   12,579.06x = 140,700,978.18
5. Step 5: Solve for x
   x = 140,700,978.18/12,579.06
6. Step 6: Final answer
   x = 11,185.33