Finding the Fourth Proportional to 2,258.58, 3,382.61 and 2,196.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.58 : 3,382.61 = 2,196.30 : x
2. Step 2: Convert to fraction form
   2,258.58/3,382.61 = 2,196.30/x
3. Step 3: Cross multiply
   2,258.58x = 3,382.61 × 2,196.30
4. Step 4: Simplify right side
   2,258.58x = 7,429,231.83
5. Step 5: Solve for x
   x = 7,429,231.83/2,258.58
6. Step 6: Final answer
   x = 3,289.34