Finding the Fourth Proportional to 1,637.27, 2,456.34 and 713.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637.27 : 2,456.34 = 713.02 : x
2. Step 2: Convert to fraction form
   1,637.27/2,456.34 = 713.02/x
3. Step 3: Cross multiply
   1,637.27x = 2,456.34 × 713.02
4. Step 4: Simplify right side
   1,637.27x = 1,751,419.55
5. Step 5: Solve for x
   x = 1,751,419.55/1,637.27
6. Step 6: Final answer
   x = 1,069.72