Finding the Fourth Proportional to 9,169.78, 12,662.05 and 5,818.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,169.78 : 12,662.05 = 5,818.54 : x
2. Step 2: Convert to fraction form
   9,169.78/12,662.05 = 5,818.54/x
3. Step 3: Cross multiply
   9,169.78x = 12,662.05 × 5,818.54
4. Step 4: Simplify right side
   9,169.78x = 73,674,620.03
5. Step 5: Solve for x
   x = 73,674,620.03/9,169.78
6. Step 6: Final answer
   x = 8,034.50