Finding the Fourth Proportional to 2,258.76, 3,116.80 and 1,314.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.76 : 3,116.80 = 1,314.81 : x
2. Step 2: Convert to fraction form
   2,258.76/3,116.80 = 1,314.81/x
3. Step 3: Cross multiply
   2,258.76x = 3,116.80 × 1,314.81
4. Step 4: Simplify right side
   2,258.76x = 4,097,999.81
5. Step 5: Solve for x
   x = 4,097,999.81/2,258.76
6. Step 6: Final answer
   x = 1,814.27