Finding the Fourth Proportional to 2,071.56, 2,859.87 and 1,326.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.56 : 2,859.87 = 1,326.16 : x
2. Step 2: Convert to fraction form
   2,071.56/2,859.87 = 1,326.16/x
3. Step 3: Cross multiply
   2,071.56x = 2,859.87 × 1,326.16
4. Step 4: Simplify right side
   2,071.56x = 3,792,645.20
5. Step 5: Solve for x
   x = 3,792,645.20/2,071.56
6. Step 6: Final answer
   x = 1,830.82