Finding the Fourth Proportional to 2,072.23, 2,860.04 and 1,326.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.23 : 2,860.04 = 1,326.15 : x
2. Step 2: Convert to fraction form
   2,072.23/2,860.04 = 1,326.15/x
3. Step 3: Cross multiply
   2,072.23x = 2,860.04 × 1,326.15
4. Step 4: Simplify right side
   2,072.23x = 3,792,835.42
5. Step 5: Solve for x
   x = 3,792,835.42/2,072.23
6. Step 6: Final answer
   x = 1,830.32