Finding the Fourth Proportional to 10,952.37, 16,428.89 and 4,288.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,952.37 : 16,428.89 = 4,288.59 : x
2. Step 2: Convert to fraction form
   10,952.37/16,428.89 = 4,288.59/x
3. Step 3: Cross multiply
   10,952.37x = 16,428.89 × 4,288.59
4. Step 4: Simplify right side
   10,952.37x = 70,456,773.37
5. Step 5: Solve for x
   x = 70,456,773.37/10,952.37
6. Step 6: Final answer
   x = 6,433.02