Finding the Fourth Proportional to 9,429.82, 14,144.81 and 2,856.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.82 : 14,144.81 = 2,856.52 : x
2. Step 2: Convert to fraction form
   9,429.82/14,144.81 = 2,856.52/x
3. Step 3: Cross multiply
   9,429.82x = 14,144.81 × 2,856.52
4. Step 4: Simplify right side
   9,429.82x = 40,404,932.66
5. Step 5: Solve for x
   x = 40,404,932.66/9,429.82
6. Step 6: Final answer
   x = 4,284.80