Finding the Fourth Proportional to 9,182.92, 12,661.23 and 7,764.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,182.92 : 12,661.23 = 7,764.16 : x
2. Step 2: Convert to fraction form
   9,182.92/12,661.23 = 7,764.16/x
3. Step 3: Cross multiply
   9,182.92x = 12,661.23 × 7,764.16
4. Step 4: Simplify right side
   9,182.92x = 98,303,815.52
5. Step 5: Solve for x
   x = 98,303,815.52/9,182.92
6. Step 6: Final answer
   x = 10,705.07