Finding the Fourth Proportional to 9,891.40, 14,842.56 and 4,052.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,891.40 : 14,842.56 = 4,052.10 : x
2. Step 2: Convert to fraction form
   9,891.40/14,842.56 = 4,052.10/x
3. Step 3: Cross multiply
   9,891.40x = 14,842.56 × 4,052.10
4. Step 4: Simplify right side
   9,891.40x = 60,143,537.38
5. Step 5: Solve for x
   x = 60,143,537.38/9,891.40
6. Step 6: Final answer
   x = 6,080.39