Finding the Fourth Proportional to 8,164.83, 12,261.60 and 8,047.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,164.83 : 12,261.60 = 8,047.96 : x
2. Step 2: Convert to fraction form
   8,164.83/12,261.60 = 8,047.96/x
3. Step 3: Cross multiply
   8,164.83x = 12,261.60 × 8,047.96
4. Step 4: Simplify right side
   8,164.83x = 98,680,866.34
5. Step 5: Solve for x
   x = 98,680,866.34/8,164.83
6. Step 6: Final answer
   x = 12,086.09