Finding the Fourth Proportional to 8,513.89, 12,774.36 and 3,767.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,513.89 : 12,774.36 = 3,767.56 : x
2. Step 2: Convert to fraction form
   8,513.89/12,774.36 = 3,767.56/x
3. Step 3: Cross multiply
   8,513.89x = 12,774.36 × 3,767.56
4. Step 4: Simplify right side
   8,513.89x = 48,128,200.62
5. Step 5: Solve for x
   x = 48,128,200.62/8,513.89
6. Step 6: Final answer
   x = 5,652.90