Finding the Fourth Proportional to 3,112.16, 4,294.72 and 1,714.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,112.16 : 4,294.72 = 1,714.88 : x
2. Step 2: Convert to fraction form
   3,112.16/4,294.72 = 1,714.88/x
3. Step 3: Cross multiply
   3,112.16x = 4,294.72 × 1,714.88
4. Step 4: Simplify right side
   3,112.16x = 7,364,929.43
5. Step 5: Solve for x
   x = 7,364,929.43/3,112.16
6. Step 6: Final answer
   x = 2,366.50