Finding the Fourth Proportional to 9,783.33, 14,675.54 and 3,939.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,783.33 : 14,675.54 = 3,939.18 : x
2. Step 2: Convert to fraction form
   9,783.33/14,675.54 = 3,939.18/x
3. Step 3: Cross multiply
   9,783.33x = 14,675.54 × 3,939.18
4. Step 4: Simplify right side
   9,783.33x = 57,809,573.96
5. Step 5: Solve for x
   x = 57,809,573.96/9,783.33
6. Step 6: Final answer
   x = 5,908.99