Finding the Fourth Proportional to 2,379.78, 3,570.23 and 736.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.78 : 3,570.23 = 736.24 : x
2. Step 2: Convert to fraction form
   2,379.78/3,570.23 = 736.24/x
3. Step 3: Cross multiply
   2,379.78x = 3,570.23 × 736.24
4. Step 4: Simplify right side
   2,379.78x = 2,628,541.60
5. Step 5: Solve for x
   x = 2,628,541.60/2,379.78
6. Step 6: Final answer
   x = 1,104.53