Finding the Fourth Proportional to 12,563.06, 17,303.72 and 9,366.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,563.06 : 17,303.72 = 9,366.10 : x
2. Step 2: Convert to fraction form
   12,563.06/17,303.72 = 9,366.10/x
3. Step 3: Cross multiply
   12,563.06x = 17,303.72 × 9,366.10
4. Step 4: Simplify right side
   12,563.06x = 162,068,371.89
5. Step 5: Solve for x
   x = 162,068,371.89/12,563.06
6. Step 6: Final answer
   x = 12,900.39