Finding the Fourth Proportional to 12,772.76, 17,626.54 and 7,466.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,772.76 : 17,626.54 = 7,466.55 : x
2. Step 2: Convert to fraction form
   12,772.76/17,626.54 = 7,466.55/x
3. Step 3: Cross multiply
   12,772.76x = 17,626.54 × 7,466.55
4. Step 4: Simplify right side
   12,772.76x = 131,609,499.20
5. Step 5: Solve for x
   x = 131,609,499.20/12,772.76
6. Step 6: Final answer
   x = 10,303.92