Finding the Fourth Proportional to 2,380.18, 3,570.79 and 714.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.18 : 3,570.79 = 714.23 : x
2. Step 2: Convert to fraction form
   2,380.18/3,570.79 = 714.23/x
3. Step 3: Cross multiply
   2,380.18x = 3,570.79 × 714.23
4. Step 4: Simplify right side
   2,380.18x = 2,550,365.34
5. Step 5: Solve for x
   x = 2,550,365.34/2,380.18
6. Step 6: Final answer
   x = 1,071.50