Finding the Fourth Proportional to 8,500.62, 12,746.56 and 3,816.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,500.62 : 12,746.56 = 3,816.63 : x
2. Step 2: Convert to fraction form
   8,500.62/12,746.56 = 3,816.63/x
3. Step 3: Cross multiply
   8,500.62x = 12,746.56 × 3,816.63
4. Step 4: Simplify right side
   8,500.62x = 48,648,903.29
5. Step 5: Solve for x
   x = 48,648,903.29/8,500.62
6. Step 6: Final answer
   x = 5,722.98