Finding the Fourth Proportional to 1,634.54, 2,437.31 and 1,440.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,634.54 : 2,437.31 = 1,440.27 : x
2. Step 2: Convert to fraction form
   1,634.54/2,437.31 = 1,440.27/x
3. Step 3: Cross multiply
   1,634.54x = 2,437.31 × 1,440.27
4. Step 4: Simplify right side
   1,634.54x = 3,510,388.07
5. Step 5: Solve for x
   x = 3,510,388.07/1,634.54
6. Step 6: Final answer
   x = 2,147.64