Finding the Fourth Proportional to 3,994.76, 5,992.18 and 1,397.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,994.76 : 5,992.18 = 1,397.72 : x
2. Step 2: Convert to fraction form
   3,994.76/5,992.18 = 1,397.72/x
3. Step 3: Cross multiply
   3,994.76x = 5,992.18 × 1,397.72
4. Step 4: Simplify right side
   3,994.76x = 8,375,389.83
5. Step 5: Solve for x
   x = 8,375,389.83/3,994.76
6. Step 6: Final answer
   x = 2,096.59