Finding the Fourth Proportional to 20,956.41, 28,925.99 and 12,464.52

Step by Step Solution

1. Step 1: Write the proportion equation
   20,956.41 : 28,925.99 = 12,464.52 : x
2. Step 2: Convert to fraction form
   20,956.41/28,925.99 = 12,464.52/x
3. Step 3: Cross multiply
   20,956.41x = 28,925.99 × 12,464.52
4. Step 4: Simplify right side
   20,956.41x = 360,548,518.55
5. Step 5: Solve for x
   x = 360,548,518.55/20,956.41
6. Step 6: Final answer
   x = 17,204.69