Finding the Fourth Proportional to 11,431.89, 17,151.08 and 3,641.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,431.89 : 17,151.08 = 3,641.31 : x
2. Step 2: Convert to fraction form
   11,431.89/17,151.08 = 3,641.31/x
3. Step 3: Cross multiply
   11,431.89x = 17,151.08 × 3,641.31
4. Step 4: Simplify right side
   11,431.89x = 62,452,380.91
5. Step 5: Solve for x
   x = 62,452,380.91/11,431.89
6. Step 6: Final answer
   x = 5,463.00