Finding the Fourth Proportional to 14,621.67, 21,934.46 and 5,131.73

Step by Step Solution

1. Step 1: Write the proportion equation
   14,621.67 : 21,934.46 = 5,131.73 : x
2. Step 2: Convert to fraction form
   14,621.67/21,934.46 = 5,131.73/x
3. Step 3: Cross multiply
   14,621.67x = 21,934.46 × 5,131.73
4. Step 4: Simplify right side
   14,621.67x = 112,561,785.78
5. Step 5: Solve for x
   x = 112,561,785.78/14,621.67
6. Step 6: Final answer
   x = 7,698.29