Finding the Fourth Proportional to 1,355.76, 2,022.18 and 1,314.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355.76 : 2,022.18 = 1,314.74 : x
2. Step 2: Convert to fraction form
   1,355.76/2,022.18 = 1,314.74/x
3. Step 3: Cross multiply
   1,355.76x = 2,022.18 × 1,314.74
4. Step 4: Simplify right side
   1,355.76x = 2,658,630.82
5. Step 5: Solve for x
   x = 2,658,630.82/1,355.76
6. Step 6: Final answer
   x = 1,960.99