Finding the Fourth Proportional to 12,714.72, 19,075.20 and 3,951.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,714.72 : 19,075.20 = 3,951.52 : x
2. Step 2: Convert to fraction form
   12,714.72/19,075.20 = 3,951.52/x
3. Step 3: Cross multiply
   12,714.72x = 19,075.20 × 3,951.52
4. Step 4: Simplify right side
   12,714.72x = 75,376,034.30
5. Step 5: Solve for x
   x = 75,376,034.30/12,714.72
6. Step 6: Final answer
   x = 5,928.25