Finding the Fourth Proportional to 8,513.63, 12,770.78 and 2,967.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,513.63 : 12,770.78 = 2,967.54 : x
2. Step 2: Convert to fraction form
   8,513.63/12,770.78 = 2,967.54/x
3. Step 3: Cross multiply
   8,513.63x = 12,770.78 × 2,967.54
4. Step 4: Simplify right side
   8,513.63x = 37,897,800.48
5. Step 5: Solve for x
   x = 37,897,800.48/8,513.63
6. Step 6: Final answer
   x = 4,451.43