Finding the Fourth Proportional to 1,494.55, 2,057.76 and 1,356.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.55 : 2,057.76 = 1,356.15 : x
2. Step 2: Convert to fraction form
   1,494.55/2,057.76 = 1,356.15/x
3. Step 3: Cross multiply
   1,494.55x = 2,057.76 × 1,356.15
4. Step 4: Simplify right side
   1,494.55x = 2,790,636.97
5. Step 5: Solve for x
   x = 2,790,636.97/1,494.55
6. Step 6: Final answer
   x = 1,867.21