Finding the Fourth Proportional to 3,981.76, 5,494.97 and 2,303.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.76 : 5,494.97 = 2,303.69 : x
2. Step 2: Convert to fraction form
   3,981.76/5,494.97 = 2,303.69/x
3. Step 3: Cross multiply
   3,981.76x = 5,494.97 × 2,303.69
4. Step 4: Simplify right side
   3,981.76x = 12,658,685.72
5. Step 5: Solve for x
   x = 12,658,685.72/3,981.76
6. Step 6: Final answer
   x = 3,179.17