Finding the Fourth Proportional to 11,757.04, 17,638.68 and 3,964.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,757.04 : 17,638.68 = 3,964.72 : x
2. Step 2: Convert to fraction form
   11,757.04/17,638.68 = 3,964.72/x
3. Step 3: Cross multiply
   11,757.04x = 17,638.68 × 3,964.72
4. Step 4: Simplify right side
   11,757.04x = 69,932,427.37
5. Step 5: Solve for x
   x = 69,932,427.37/11,757.04
6. Step 6: Final answer
   x = 5,948.13