Finding the Fourth Proportional to 8,341.92, 12,453.12 and 7,758.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,341.92 : 12,453.12 = 7,758.72 : x
2. Step 2: Convert to fraction form
   8,341.92/12,453.12 = 7,758.72/x
3. Step 3: Cross multiply
   8,341.92x = 12,453.12 × 7,758.72
4. Step 4: Simplify right side
   8,341.92x = 96,620,271.21
5. Step 5: Solve for x
   x = 96,620,271.21/8,341.92
6. Step 6: Final answer
   x = 11,582.50