Finding the Fourth Proportional to 2,284.72, 3,405.41 and 2,118.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.72 : 3,405.41 = 2,118.52 : x
2. Step 2: Convert to fraction form
   2,284.72/3,405.41 = 2,118.52/x
3. Step 3: Cross multiply
   2,284.72x = 3,405.41 × 2,118.52
4. Step 4: Simplify right side
   2,284.72x = 7,214,429.19
5. Step 5: Solve for x
   x = 7,214,429.19/2,284.72
6. Step 6: Final answer
   x = 3,157.69