Finding the Fourth Proportional to 3,979.37, 5,491.10 and 2,300.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,979.37 : 5,491.10 = 2,300.51 : x
2. Step 2: Convert to fraction form
   3,979.37/5,491.10 = 2,300.51/x
3. Step 3: Cross multiply
   3,979.37x = 5,491.10 × 2,300.51
4. Step 4: Simplify right side
   3,979.37x = 12,632,330.46
5. Step 5: Solve for x
   x = 12,632,330.46/3,979.37
6. Step 6: Final answer
   x = 3,174.45