Finding the Fourth Proportional to 9,871.39, 14,804.90 and 2,849.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,871.39 : 14,804.90 = 2,849.88 : x
2. Step 2: Convert to fraction form
   9,871.39/14,804.90 = 2,849.88/x
3. Step 3: Cross multiply
   9,871.39x = 14,804.90 × 2,849.88
4. Step 4: Simplify right side
   9,871.39x = 42,192,114.39
5. Step 5: Solve for x
   x = 42,192,114.39/9,871.39
6. Step 6: Final answer
   x = 4,274.18