Finding the Fourth Proportional to 9,855.10, 14,788.79 and 4,011.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,855.10 : 14,788.79 = 4,011.69 : x
2. Step 2: Convert to fraction form
   9,855.10/14,788.79 = 4,011.69/x
3. Step 3: Cross multiply
   9,855.10x = 14,788.79 × 4,011.69
4. Step 4: Simplify right side
   9,855.10x = 59,328,020.90
5. Step 5: Solve for x
   x = 59,328,020.90/9,855.10
6. Step 6: Final answer
   x = 6,020.04