Finding the Fourth Proportional to 9,982.30, 14,974.82 and 3,406.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,982.30 : 14,974.82 = 3,406.72 : x
2. Step 2: Convert to fraction form
   9,982.30/14,974.82 = 3,406.72/x
3. Step 3: Cross multiply
   9,982.30x = 14,974.82 × 3,406.72
4. Step 4: Simplify right side
   9,982.30x = 51,015,018.79
5. Step 5: Solve for x
   x = 51,015,018.79/9,982.30
6. Step 6: Final answer
   x = 5,110.55