Finding the Fourth Proportional to 9,871.05, 14,806.76 and 2,851.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,871.05 : 14,806.76 = 2,851.59 : x
2. Step 2: Convert to fraction form
   9,871.05/14,806.76 = 2,851.59/x
3. Step 3: Cross multiply
   9,871.05x = 14,806.76 × 2,851.59
4. Step 4: Simplify right side
   9,871.05x = 42,222,794.49
5. Step 5: Solve for x
   x = 42,222,794.49/9,871.05
6. Step 6: Final answer
   x = 4,277.44