Finding the Fourth Proportional to 8,923.35, 12,308.63 and 5,740.79

Step by Step Solution

1. Step 1: Write the proportion equation
   8,923.35 : 12,308.63 = 5,740.79 : x
2. Step 2: Convert to fraction form
   8,923.35/12,308.63 = 5,740.79/x
3. Step 3: Cross multiply
   8,923.35x = 12,308.63 × 5,740.79
4. Step 4: Simplify right side
   8,923.35x = 70,661,260.02
5. Step 5: Solve for x
   x = 70,661,260.02/8,923.35
6. Step 6: Final answer
   x = 7,918.69