Finding the Fourth Proportional to 9,802.62, 14,704.56 and 3,959.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,802.62 : 14,704.56 = 3,959.28 : x
2. Step 2: Convert to fraction form
   9,802.62/14,704.56 = 3,959.28/x
3. Step 3: Cross multiply
   9,802.62x = 14,704.56 × 3,959.28
4. Step 4: Simplify right side
   9,802.62x = 58,219,470.32
5. Step 5: Solve for x
   x = 58,219,470.32/9,802.62
6. Step 6: Final answer
   x = 5,939.17