Finding the Fourth Proportional to 2,258.35, 3,116.48 and 1,314.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.35 : 3,116.48 = 1,314.70 : x
2. Step 2: Convert to fraction form
   2,258.35/3,116.48 = 1,314.70/x
3. Step 3: Cross multiply
   2,258.35x = 3,116.48 × 1,314.70
4. Step 4: Simplify right side
   2,258.35x = 4,097,221.89
5. Step 5: Solve for x
   x = 4,097,221.89/2,258.35
6. Step 6: Final answer
   x = 1,814.26