Finding the Fourth Proportional to 2,162.56, 2,975.52 and 2,113.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.56 : 2,975.52 = 2,113.42 : x
2. Step 2: Convert to fraction form
   2,162.56/2,975.52 = 2,113.42/x
3. Step 3: Cross multiply
   2,162.56x = 2,975.52 × 2,113.42
4. Step 4: Simplify right side
   2,162.56x = 6,288,523.48
5. Step 5: Solve for x
   x = 6,288,523.48/2,162.56
6. Step 6: Final answer
   x = 2,907.91