Finding the Fourth Proportional to 34,520.72, 51,764.72 and 12,023.55

Step by Step Solution

1. Step 1: Write the proportion equation
   34,520.72 : 51,764.72 = 12,023.55 : x
2. Step 2: Convert to fraction form
   34,520.72/51,764.72 = 12,023.55/x
3. Step 3: Cross multiply
   34,520.72x = 51,764.72 × 12,023.55
4. Step 4: Simplify right side
   34,520.72x = 622,395,745.65
5. Step 5: Solve for x
   x = 622,395,745.65/34,520.72
6. Step 6: Final answer
   x = 18,029.63