Finding the Fourth Proportional to 11,538.72, 17,308.44 and 3,641.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,538.72 : 17,308.44 = 3,641.31 : x
2. Step 2: Convert to fraction form
   11,538.72/17,308.44 = 3,641.31/x
3. Step 3: Cross multiply
   11,538.72x = 17,308.44 × 3,641.31
4. Step 4: Simplify right side
   11,538.72x = 63,025,290.91
5. Step 5: Solve for x
   x = 63,025,290.91/11,538.72
6. Step 6: Final answer
   x = 5,462.07