Finding the Fourth Proportional to 3,712.24, 5,123.82 and 2,140.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,712.24 : 5,123.82 = 2,140.12 : x
2. Step 2: Convert to fraction form
   3,712.24/5,123.82 = 2,140.12/x
3. Step 3: Cross multiply
   3,712.24x = 5,123.82 × 2,140.12
4. Step 4: Simplify right side
   3,712.24x = 10,965,589.66
5. Step 5: Solve for x
   x = 10,965,589.66/3,712.24
6. Step 6: Final answer
   x = 2,953.90