Finding the Fourth Proportional to 3,011.42, 4,155.96 and 1,685.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,011.42 : 4,155.96 = 1,685.25 : x
2. Step 2: Convert to fraction form
   3,011.42/4,155.96 = 1,685.25/x
3. Step 3: Cross multiply
   3,011.42x = 4,155.96 × 1,685.25
4. Step 4: Simplify right side
   3,011.42x = 7,003,831.59
5. Step 5: Solve for x
   x = 7,003,831.59/3,011.42
6. Step 6: Final answer
   x = 2,325.76