Finding the Fourth Proportional to 9,488.28, 14,234.76 and 3,939.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,488.28 : 14,234.76 = 3,939.96 : x
2. Step 2: Convert to fraction form
   9,488.28/14,234.76 = 3,939.96/x
3. Step 3: Cross multiply
   9,488.28x = 14,234.76 × 3,939.96
4. Step 4: Simplify right side
   9,488.28x = 56,084,385.01
5. Step 5: Solve for x
   x = 56,084,385.01/9,488.28
6. Step 6: Final answer
   x = 5,910.91