Finding the Fourth Proportional to 7,123.14, 10,682.01 and 2,847.57

Step by Step Solution

1. Step 1: Write the proportion equation
   7,123.14 : 10,682.01 = 2,847.57 : x
2. Step 2: Convert to fraction form
   7,123.14/10,682.01 = 2,847.57/x
3. Step 3: Cross multiply
   7,123.14x = 10,682.01 × 2,847.57
4. Step 4: Simplify right side
   7,123.14x = 30,417,771.22
5. Step 5: Solve for x
   x = 30,417,771.22/7,123.14
6. Step 6: Final answer
   x = 4,270.28