Finding the Fourth Proportional to 9,789.26, 14,685.23 and 3,945.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.26 : 14,685.23 = 3,945.38 : x
2. Step 2: Convert to fraction form
   9,789.26/14,685.23 = 3,945.38/x
3. Step 3: Cross multiply
   9,789.26x = 14,685.23 × 3,945.38
4. Step 4: Simplify right side
   9,789.26x = 57,938,749.17
5. Step 5: Solve for x
   x = 57,938,749.17/9,789.26
6. Step 6: Final answer
   x = 5,918.61