Finding the Fourth Proportional to 2,258.32, 3,116.46 and 1,819.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.32 : 3,116.46 = 1,819.36 : x
2. Step 2: Convert to fraction form
   2,258.32/3,116.46 = 1,819.36/x
3. Step 3: Cross multiply
   2,258.32x = 3,116.46 × 1,819.36
4. Step 4: Simplify right side
   2,258.32x = 5,669,962.67
5. Step 5: Solve for x
   x = 5,669,962.67/2,258.32
6. Step 6: Final answer
   x = 2,510.70