Finding the Fourth Proportional to 11,557.92, 17,340.12 and 3,765.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,557.92 : 17,340.12 = 3,765.72 : x
2. Step 2: Convert to fraction form
   11,557.92/17,340.12 = 3,765.72/x
3. Step 3: Cross multiply
   11,557.92x = 17,340.12 × 3,765.72
4. Step 4: Simplify right side
   11,557.92x = 65,298,036.69
5. Step 5: Solve for x
   x = 65,298,036.69/11,557.92
6. Step 6: Final answer
   x = 5,649.64