Finding the Fourth Proportional to 11,555.28, 17,321.94 and 3,758.67

Step by Step Solution

1. Step 1: Write the proportion equation
   11,555.28 : 17,321.94 = 3,758.67 : x
2. Step 2: Convert to fraction form
   11,555.28/17,321.94 = 3,758.67/x
3. Step 3: Cross multiply
   11,555.28x = 17,321.94 × 3,758.67
4. Step 4: Simplify right side
   11,555.28x = 65,107,456.22
5. Step 5: Solve for x
   x = 65,107,456.22/11,555.28
6. Step 6: Final answer
   x = 5,634.43