Finding the Fourth Proportional to 9,784.35, 14,679.23 and 3,945.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,784.35 : 14,679.23 = 3,945.06 : x
2. Step 2: Convert to fraction form
   9,784.35/14,679.23 = 3,945.06/x
3. Step 3: Cross multiply
   9,784.35x = 14,679.23 × 3,945.06
4. Step 4: Simplify right side
   9,784.35x = 57,910,423.38
5. Step 5: Solve for x
   x = 57,910,423.38/9,784.35
6. Step 6: Final answer
   x = 5,918.68