Finding the Fourth Proportional to 9,241.91, 13,857.29 and 3,898.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,241.91 : 13,857.29 = 3,898.72 : x
2. Step 2: Convert to fraction form
   9,241.91/13,857.29 = 3,898.72/x
3. Step 3: Cross multiply
   9,241.91x = 13,857.29 × 3,898.72
4. Step 4: Simplify right side
   9,241.91x = 54,025,693.67
5. Step 5: Solve for x
   x = 54,025,693.67/9,241.91
6. Step 6: Final answer
   x = 5,845.73