Finding the Fourth Proportional to 10,428.80, 14,391.98 and 5,952.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,428.80 : 14,391.98 = 5,952.47 : x
2. Step 2: Convert to fraction form
   10,428.80/14,391.98 = 5,952.47/x
3. Step 3: Cross multiply
   10,428.80x = 14,391.98 × 5,952.47
4. Step 4: Simplify right side
   10,428.80x = 85,667,727.47
5. Step 5: Solve for x
   x = 85,667,727.47/10,428.80
6. Step 6: Final answer
   x = 8,214.53