Finding the Fourth Proportional to 11,756.16, 17,636.82 and 3,964.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,756.16 : 17,636.82 = 3,964.76 : x
2. Step 2: Convert to fraction form
   11,756.16/17,636.82 = 3,964.76/x
3. Step 3: Cross multiply
   11,756.16x = 17,636.82 × 3,964.76
4. Step 4: Simplify right side
   11,756.16x = 69,925,758.46
5. Step 5: Solve for x
   x = 69,925,758.46/11,756.16
6. Step 6: Final answer
   x = 5,948.01