Finding the Fourth Proportional to 17,805.86, 24,572.05 and 9,739.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,805.86 : 24,572.05 = 9,739.54 : x
2. Step 2: Convert to fraction form
   17,805.86/24,572.05 = 9,739.54/x
3. Step 3: Cross multiply
   17,805.86x = 24,572.05 × 9,739.54
4. Step 4: Simplify right side
   17,805.86x = 239,320,463.86
5. Step 5: Solve for x
   x = 239,320,463.86/17,805.86
6. Step 6: Final answer
   x = 13,440.55