Finding the Fourth Proportional to 3,111.42, 4,667.12 and 2,134.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.42 : 4,667.12 = 2,134.56 : x
2. Step 2: Convert to fraction form
   3,111.42/4,667.12 = 2,134.56/x
3. Step 3: Cross multiply
   3,111.42x = 4,667.12 × 2,134.56
4. Step 4: Simplify right side
   3,111.42x = 9,962,247.67
5. Step 5: Solve for x
   x = 9,962,247.67/3,111.42
6. Step 6: Final answer
   x = 3,201.83