Finding the Fourth Proportional to 9,983.05, 14,974.42 and 2,586.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,983.05 : 14,974.42 = 2,586.89 : x
2. Step 2: Convert to fraction form
   9,983.05/14,974.42 = 2,586.89/x
3. Step 3: Cross multiply
   9,983.05x = 14,974.42 × 2,586.89
4. Step 4: Simplify right side
   9,983.05x = 38,737,128.94
5. Step 5: Solve for x
   x = 38,737,128.94/9,983.05
6. Step 6: Final answer
   x = 3,880.29