Finding the Fourth Proportional to 2,714.72, 4,070.28 and 1,787.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,714.72 : 4,070.28 = 1,787.47 : x
2. Step 2: Convert to fraction form
   2,714.72/4,070.28 = 1,787.47/x
3. Step 3: Cross multiply
   2,714.72x = 4,070.28 × 1,787.47
4. Step 4: Simplify right side
   2,714.72x = 7,275,499.92
5. Step 5: Solve for x
   x = 7,275,499.92/2,714.72
6. Step 6: Final answer
   x = 2,680.02