Finding the Fourth Proportional to 8,894.60, 12,280.27 and 5,709.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,894.60 : 12,280.27 = 5,709.27 : x
2. Step 2: Convert to fraction form
   8,894.60/12,280.27 = 5,709.27/x
3. Step 3: Cross multiply
   8,894.60x = 12,280.27 × 5,709.27
4. Step 4: Simplify right side
   8,894.60x = 70,111,377.10
5. Step 5: Solve for x
   x = 70,111,377.10/8,894.60
6. Step 6: Final answer
   x = 7,882.47