Finding the Fourth Proportional to 3,818.93, 5,723.58 and 2,176.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,818.93 : 5,723.58 = 2,176.40 : x
2. Step 2: Convert to fraction form
   3,818.93/5,723.58 = 2,176.40/x
3. Step 3: Cross multiply
   3,818.93x = 5,723.58 × 2,176.40
4. Step 4: Simplify right side
   3,818.93x = 12,456,770.89
5. Step 5: Solve for x
   x = 12,456,770.89/3,818.93
6. Step 6: Final answer
   x = 3,261.85