Finding the Fourth Proportional to 8,752.72, 12,076.72 and 4,975.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,752.72 : 12,076.72 = 4,975.12 : x
2. Step 2: Convert to fraction form
   8,752.72/12,076.72 = 4,975.12/x
3. Step 3: Cross multiply
   8,752.72x = 12,076.72 × 4,975.12
4. Step 4: Simplify right side
   8,752.72x = 60,083,131.21
5. Step 5: Solve for x
   x = 60,083,131.21/8,752.72
6. Step 6: Final answer
   x = 6,864.51