Finding the Fourth Proportional to 9,898.29, 14,841.77 and 3,320.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,898.29 : 14,841.77 = 3,320.89 : x
2. Step 2: Convert to fraction form
   9,898.29/14,841.77 = 3,320.89/x
3. Step 3: Cross multiply
   9,898.29x = 14,841.77 × 3,320.89
4. Step 4: Simplify right side
   9,898.29x = 49,287,831.87
5. Step 5: Solve for x
   x = 49,287,831.87/9,898.29
6. Step 6: Final answer
   x = 4,979.43