Finding the Fourth Proportional to 8,627.48, 12,936.00 and 5,627.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,627.48 : 12,936.00 = 5,627.76 : x
2. Step 2: Convert to fraction form
   8,627.48/12,936.00 = 5,627.76/x
3. Step 3: Cross multiply
   8,627.48x = 12,936.00 × 5,627.76
4. Step 4: Simplify right side
   8,627.48x = 72,800,675.22
5. Step 5: Solve for x
   x = 72,800,675.22/8,627.48
6. Step 6: Final answer
   x = 8,438.23