Finding the Fourth Proportional to 3,011.67, 4,155.84 and 1,685.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,011.67 : 4,155.84 = 1,685.34 : x
2. Step 2: Convert to fraction form
   3,011.67/4,155.84 = 1,685.34/x
3. Step 3: Cross multiply
   3,011.67x = 4,155.84 × 1,685.34
4. Step 4: Simplify right side
   3,011.67x = 7,004,003.39
5. Step 5: Solve for x
   x = 7,004,003.39/3,011.67
6. Step 6: Final answer
   x = 2,325.62