Finding the Fourth Proportional to 5,162.16, 7,123.56 and 2,923.92

Step by Step Solution

1. Step 1: Write the proportion equation
   5,162.16 : 7,123.56 = 2,923.92 : x
2. Step 2: Convert to fraction form
   5,162.16/7,123.56 = 2,923.92/x
3. Step 3: Cross multiply
   5,162.16x = 7,123.56 × 2,923.92
4. Step 4: Simplify right side
   5,162.16x = 20,828,719.56
5. Step 5: Solve for x
   x = 20,828,719.56/5,162.16
6. Step 6: Final answer
   x = 4,034.88