Finding the Fourth Proportional to 3,714.76, 5,124.72 and 2,387.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,714.76 : 5,124.72 = 2,387.96 : x
2. Step 2: Convert to fraction form
   3,714.76/5,124.72 = 2,387.96/x
3. Step 3: Cross multiply
   3,714.76x = 5,124.72 × 2,387.96
4. Step 4: Simplify right side
   3,714.76x = 12,237,626.37
5. Step 5: Solve for x
   x = 12,237,626.37/3,714.76
6. Step 6: Final answer
   x = 3,294.32