Finding the Fourth Proportional to 2,662.02, 3,992.76 and 714.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.02 : 3,992.76 = 714.42 : x
2. Step 2: Convert to fraction form
   2,662.02/3,992.76 = 714.42/x
3. Step 3: Cross multiply
   2,662.02x = 3,992.76 × 714.42
4. Step 4: Simplify right side
   2,662.02x = 2,852,507.60
5. Step 5: Solve for x
   x = 2,852,507.60/2,662.02
6. Step 6: Final answer
   x = 1,071.56