Finding the Fourth Proportional to 9,432.83, 14,150.71 and 2,857.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,432.83 : 14,150.71 = 2,857.45 : x
2. Step 2: Convert to fraction form
   9,432.83/14,150.71 = 2,857.45/x
3. Step 3: Cross multiply
   9,432.83x = 14,150.71 × 2,857.45
4. Step 4: Simplify right side
   9,432.83x = 40,434,946.29
5. Step 5: Solve for x
   x = 40,434,946.29/9,432.83
6. Step 6: Final answer
   x = 4,286.62