Finding the Fourth Proportional to 9,945.27, 14,917.12 and 5,782.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945.27 : 14,917.12 = 5,782.62 : x
2. Step 2: Convert to fraction form
   9,945.27/14,917.12 = 5,782.62/x
3. Step 3: Cross multiply
   9,945.27x = 14,917.12 × 5,782.62
4. Step 4: Simplify right side
   9,945.27x = 86,260,036.45
5. Step 5: Solve for x
   x = 86,260,036.45/9,945.27
6. Step 6: Final answer
   x = 8,673.47