Finding the Fourth Proportional to 7,758.72, 11,626.56 and 3,856.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,758.72 : 11,626.56 = 3,856.32 : x
2. Step 2: Convert to fraction form
   7,758.72/11,626.56 = 3,856.32/x
3. Step 3: Cross multiply
   7,758.72x = 11,626.56 × 3,856.32
4. Step 4: Simplify right side
   7,758.72x = 44,835,735.86
5. Step 5: Solve for x
   x = 44,835,735.86/7,758.72
6. Step 6: Final answer
   x = 5,778.75