Finding the Fourth Proportional to 12,411.43, 18,630.41 and 5,020.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,411.43 : 18,630.41 = 5,020.72 : x
2. Step 2: Convert to fraction form
   12,411.43/18,630.41 = 5,020.72/x
3. Step 3: Cross multiply
   12,411.43x = 18,630.41 × 5,020.72
4. Step 4: Simplify right side
   12,411.43x = 93,538,000.42
5. Step 5: Solve for x
   x = 93,538,000.42/12,411.43
6. Step 6: Final answer
   x = 7,536.44