Finding the Fourth Proportional to 11,689.02, 17,537.85 and 4,298.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,689.02 : 17,537.85 = 4,298.31 : x
2. Step 2: Convert to fraction form
   11,689.02/17,537.85 = 4,298.31/x
3. Step 3: Cross multiply
   11,689.02x = 17,537.85 × 4,298.31
4. Step 4: Simplify right side
   11,689.02x = 75,383,116.03
5. Step 5: Solve for x
   x = 75,383,116.03/11,689.02
6. Step 6: Final answer
   x = 6,449.05