Finding the Fourth Proportional to 10,314.97, 15,472.41 and 7,019.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,314.97 : 15,472.41 = 7,019.89 : x
2. Step 2: Convert to fraction form
   10,314.97/15,472.41 = 7,019.89/x
3. Step 3: Cross multiply
   10,314.97x = 15,472.41 × 7,019.89
4. Step 4: Simplify right side
   10,314.97x = 108,614,616.23
5. Step 5: Solve for x
   x = 108,614,616.23/10,314.97
6. Step 6: Final answer
   x = 10,529.80