Finding the Fourth Proportional to 8,923.69, 13,385.94 and 3,081.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,923.69 : 13,385.94 = 3,081.16 : x
2. Step 2: Convert to fraction form
   8,923.69/13,385.94 = 3,081.16/x
3. Step 3: Cross multiply
   8,923.69x = 13,385.94 × 3,081.16
4. Step 4: Simplify right side
   8,923.69x = 41,244,222.89
5. Step 5: Solve for x
   x = 41,244,222.89/8,923.69
6. Step 6: Final answer
   x = 4,621.88