Finding the Fourth Proportional to 9,789.32, 14,684.52 and 3,945.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.32 : 14,684.52 = 3,945.26 : x
2. Step 2: Convert to fraction form
   9,789.32/14,684.52 = 3,945.26/x
3. Step 3: Cross multiply
   9,789.32x = 14,684.52 × 3,945.26
4. Step 4: Simplify right side
   9,789.32x = 57,934,249.38
5. Step 5: Solve for x
   x = 57,934,249.38/9,789.32
6. Step 6: Final answer
   x = 5,918.11