Finding the Fourth Proportional to 12,951.08, 17,872.56 and 7,648.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,951.08 : 17,872.56 = 7,648.52 : x
2. Step 2: Convert to fraction form
   12,951.08/17,872.56 = 7,648.52/x
3. Step 3: Cross multiply
   12,951.08x = 17,872.56 × 7,648.52
4. Step 4: Simplify right side
   12,951.08x = 136,698,632.61
5. Step 5: Solve for x
   x = 136,698,632.61/12,951.08
6. Step 6: Final answer
   x = 10,555.00