Finding the Fourth Proportional to 12,774.76, 17,629.30 and 7,468.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,774.76 : 17,629.30 = 7,468.55 : x
2. Step 2: Convert to fraction form
   12,774.76/17,629.30 = 7,468.55/x
3. Step 3: Cross multiply
   12,774.76x = 17,629.30 × 7,468.55
4. Step 4: Simplify right side
   12,774.76x = 131,665,308.52
5. Step 5: Solve for x
   x = 131,665,308.52/12,774.76
6. Step 6: Final answer
   x = 10,306.68