Finding the Fourth Proportional to 2,323.47, 3,205.34 and 1,379.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,323.47 : 3,205.34 = 1,379.30 : x
2. Step 2: Convert to fraction form
   2,323.47/3,205.34 = 1,379.30/x
3. Step 3: Cross multiply
   2,323.47x = 3,205.34 × 1,379.30
4. Step 4: Simplify right side
   2,323.47x = 4,421,124.90
5. Step 5: Solve for x
   x = 4,421,124.90/2,323.47
6. Step 6: Final answer
   x = 1,902.81