Finding the Fourth Proportional to 12,472.16, 18,711.77 and 5,081.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,472.16 : 18,711.77 = 5,081.94 : x
2. Step 2: Convert to fraction form
   12,472.16/18,711.77 = 5,081.94/x
3. Step 3: Cross multiply
   12,472.16x = 18,711.77 × 5,081.94
4. Step 4: Simplify right side
   12,472.16x = 95,092,067.02
5. Step 5: Solve for x
   x = 95,092,067.02/12,472.16
6. Step 6: Final answer
   x = 7,624.35