Finding the Fourth Proportional to 3,994.04, 5,989.62 and 1,685.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,994.04 : 5,989.62 = 1,685.72 : x
2. Step 2: Convert to fraction form
   3,994.04/5,989.62 = 1,685.72/x
3. Step 3: Cross multiply
   3,994.04x = 5,989.62 × 1,685.72
4. Step 4: Simplify right side
   3,994.04x = 10,096,822.23
5. Step 5: Solve for x
   x = 10,096,822.23/3,994.04
6. Step 6: Final answer
   x = 2,527.97