Finding the Fourth Proportional to 9,871.10, 14,806.71 and 3,948.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,871.10 : 14,806.71 = 3,948.48 : x
2. Step 2: Convert to fraction form
   9,871.10/14,806.71 = 3,948.48/x
3. Step 3: Cross multiply
   9,871.10x = 14,806.71 × 3,948.48
4. Step 4: Simplify right side
   9,871.10x = 58,463,927.97
5. Step 5: Solve for x
   x = 58,463,927.97/9,871.10
6. Step 6: Final answer
   x = 5,922.74