Finding the Fourth Proportional to 2,313.72, 3,191.92 and 1,567.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,313.72 : 3,191.92 = 1,567.42 : x
2. Step 2: Convert to fraction form
   2,313.72/3,191.92 = 1,567.42/x
3. Step 3: Cross multiply
   2,313.72x = 3,191.92 × 1,567.42
4. Step 4: Simplify right side
   2,313.72x = 5,003,079.25
5. Step 5: Solve for x
   x = 5,003,079.25/2,313.72
6. Step 6: Final answer
   x = 2,162.35