Finding the Fourth Proportional to 1,461.34, 2,016.39 and 1,387.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,461.34 : 2,016.39 = 1,387.46 : x
2. Step 2: Convert to fraction form
   1,461.34/2,016.39 = 1,387.46/x
3. Step 3: Cross multiply
   1,461.34x = 2,016.39 × 1,387.46
4. Step 4: Simplify right side
   1,461.34x = 2,797,660.47
5. Step 5: Solve for x
   x = 2,797,660.47/1,461.34
6. Step 6: Final answer
   x = 1,914.46