Finding the Fourth Proportional to 20,965.16, 28,925.72 and 12,462.96

Step by Step Solution

1. Step 1: Write the proportion equation
   20,965.16 : 28,925.72 = 12,462.96 : x
2. Step 2: Convert to fraction form
   20,965.16/28,925.72 = 12,462.96/x
3. Step 3: Cross multiply
   20,965.16x = 28,925.72 × 12,462.96
4. Step 4: Simplify right side
   20,965.16x = 360,500,091.33
5. Step 5: Solve for x
   x = 360,500,091.33/20,965.16
6. Step 6: Final answer
   x = 17,195.20