Finding the Fourth Proportional to 9,788.59, 14,683.56 and 3,945.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,788.59 : 14,683.56 = 3,945.25 : x
2. Step 2: Convert to fraction form
   9,788.59/14,683.56 = 3,945.25/x
3. Step 3: Cross multiply
   9,788.59x = 14,683.56 × 3,945.25
4. Step 4: Simplify right side
   9,788.59x = 57,930,315.09
5. Step 5: Solve for x
   x = 57,930,315.09/9,788.59
6. Step 6: Final answer
   x = 5,918.15