Finding the Fourth Proportional to 2,429.56, 3,660.59 and 2,198.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.56 : 3,660.59 = 2,198.71 : x
2. Step 2: Convert to fraction form
   2,429.56/3,660.59 = 2,198.71/x
3. Step 3: Cross multiply
   2,429.56x = 3,660.59 × 2,198.71
4. Step 4: Simplify right side
   2,429.56x = 8,048,575.84
5. Step 5: Solve for x
   x = 8,048,575.84/2,429.56
6. Step 6: Final answer
   x = 3,312.77