Finding the Fourth Proportional to 3,751.92, 5,179.86 and 2,574.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,751.92 : 5,179.86 = 2,574.72 : x
2. Step 2: Convert to fraction form
   3,751.92/5,179.86 = 2,574.72/x
3. Step 3: Cross multiply
   3,751.92x = 5,179.86 × 2,574.72
4. Step 4: Simplify right side
   3,751.92x = 13,336,689.14
5. Step 5: Solve for x
   x = 13,336,689.14/3,751.92
6. Step 6: Final answer
   x = 3,554.63