Finding the Fourth Proportional to 9,384.54, 14,062.83 and 8,554.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,384.54 : 14,062.83 = 8,554.71 : x
2. Step 2: Convert to fraction form
   9,384.54/14,062.83 = 8,554.71/x
3. Step 3: Cross multiply
   9,384.54x = 14,062.83 × 8,554.71
4. Step 4: Simplify right side
   9,384.54x = 120,303,432.43
5. Step 5: Solve for x
   x = 120,303,432.43/9,384.54
6. Step 6: Final answer
   x = 12,819.32