Finding the Fourth Proportional to 11,863.72, 17,765.34 and 7,465.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,863.72 : 17,765.34 = 7,465.96 : x
2. Step 2: Convert to fraction form
   11,863.72/17,765.34 = 7,465.96/x
3. Step 3: Cross multiply
   11,863.72x = 17,765.34 × 7,465.96
4. Step 4: Simplify right side
   11,863.72x = 132,635,317.83
5. Step 5: Solve for x
   x = 132,635,317.83/11,863.72
6. Step 6: Final answer
   x = 11,179.91