Finding the Fourth Proportional to 1,662.94, 2,495.27 and 1,275.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.94 : 2,495.27 = 1,275.42 : x
2. Step 2: Convert to fraction form
   1,662.94/2,495.27 = 1,275.42/x
3. Step 3: Cross multiply
   1,662.94x = 2,495.27 × 1,275.42
4. Step 4: Simplify right side
   1,662.94x = 3,182,517.26
5. Step 5: Solve for x
   x = 3,182,517.26/1,662.94
6. Step 6: Final answer
   x = 1,913.79