Finding the Fourth Proportional to 9,789.18, 14,684.85 and 3,946.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.18 : 14,684.85 = 3,946.38 : x
2. Step 2: Convert to fraction form
   9,789.18/14,684.85 = 3,946.38/x
3. Step 3: Cross multiply
   9,789.18x = 14,684.85 × 3,946.38
4. Step 4: Simplify right side
   9,789.18x = 57,951,998.34
5. Step 5: Solve for x
   x = 57,951,998.34/9,789.18
6. Step 6: Final answer
   x = 5,920.01