Finding the Fourth Proportional to 9,268.86, 13,901.61 and 3,721.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,268.86 : 13,901.61 = 3,721.98 : x
2. Step 2: Convert to fraction form
   9,268.86/13,901.61 = 3,721.98/x
3. Step 3: Cross multiply
   9,268.86x = 13,901.61 × 3,721.98
4. Step 4: Simplify right side
   9,268.86x = 51,741,514.39
5. Step 5: Solve for x
   x = 51,741,514.39/9,268.86
6. Step 6: Final answer
   x = 5,582.30