Finding the Fourth Proportional to 11,443.31, 17,153.99 and 3,647.03

Step by Step Solution

1. Step 1: Write the proportion equation
   11,443.31 : 17,153.99 = 3,647.03 : x
2. Step 2: Convert to fraction form
   11,443.31/17,153.99 = 3,647.03/x
3. Step 3: Cross multiply
   11,443.31x = 17,153.99 × 3,647.03
4. Step 4: Simplify right side
   11,443.31x = 62,561,097.91
5. Step 5: Solve for x
   x = 62,561,097.91/11,443.31
6. Step 6: Final answer
   x = 5,467.05