Finding the Fourth Proportional to 9,922.43, 14,879.89 and 3,997.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,922.43 : 14,879.89 = 3,997.30 : x
2. Step 2: Convert to fraction form
   9,922.43/14,879.89 = 3,997.30/x
3. Step 3: Cross multiply
   9,922.43x = 14,879.89 × 3,997.30
4. Step 4: Simplify right side
   9,922.43x = 59,479,437.15
5. Step 5: Solve for x
   x = 59,479,437.15/9,922.43
6. Step 6: Final answer
   x = 5,994.44