Finding the Fourth Proportional to 9,429.32, 14,144.06 and 2,856.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.32 : 14,144.06 = 2,856.02 : x
2. Step 2: Convert to fraction form
   9,429.32/14,144.06 = 2,856.02/x
3. Step 3: Cross multiply
   9,429.32x = 14,144.06 × 2,856.02
4. Step 4: Simplify right side
   9,429.32x = 40,395,703.96
5. Step 5: Solve for x
   x = 40,395,703.96/9,429.32
6. Step 6: Final answer
   x = 4,284.05