Finding the Fourth Proportional to 8,731.24, 12,048.72 and 4,752.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,731.24 : 12,048.72 = 4,752.12 : x
2. Step 2: Convert to fraction form
   8,731.24/12,048.72 = 4,752.12/x
3. Step 3: Cross multiply
   8,731.24x = 12,048.72 × 4,752.12
4. Step 4: Simplify right side
   8,731.24x = 57,256,963.29
5. Step 5: Solve for x
   x = 57,256,963.29/8,731.24
6. Step 6: Final answer
   x = 6,557.71