Finding the Fourth Proportional to 8,364.86, 12,544.10 and 2,816.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,364.86 : 12,544.10 = 2,816.71 : x
2. Step 2: Convert to fraction form
   8,364.86/12,544.10 = 2,816.71/x
3. Step 3: Cross multiply
   8,364.86x = 12,544.10 × 2,816.71
4. Step 4: Simplify right side
   8,364.86x = 35,333,127.59
5. Step 5: Solve for x
   x = 35,333,127.59/8,364.86
6. Step 6: Final answer
   x = 4,224.00