Finding the Fourth Proportional to 9,945.65, 14,917.69 and 5,783

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945.65 : 14,917.69 = 5,783 : x
2. Step 2: Convert to fraction form
   9,945.65/14,917.69 = 5,783/x
3. Step 3: Cross multiply
   9,945.65x = 14,917.69 × 5,783
4. Step 4: Simplify right side
   9,945.65x = 86,269,001.27
5. Step 5: Solve for x
   x = 86,269,001.27/9,945.65
6. Step 6: Final answer
   x = 8,674.04