Finding the Fourth Proportional to 2,662.83, 3,994.49 and 715.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.83 : 3,994.49 = 715.02 : x
2. Step 2: Convert to fraction form
   2,662.83/3,994.49 = 715.02/x
3. Step 3: Cross multiply
   2,662.83x = 3,994.49 × 715.02
4. Step 4: Simplify right side
   2,662.83x = 2,856,136.66
5. Step 5: Solve for x
   x = 2,856,136.66/2,662.83
6. Step 6: Final answer
   x = 1,072.59