Finding the Fourth Proportional to 2,071.37, 2,858.79 and 1,326.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.37 : 2,858.79 = 1,326.17 : x
2. Step 2: Convert to fraction form
   2,071.37/2,858.79 = 1,326.17/x
3. Step 3: Cross multiply
   2,071.37x = 2,858.79 × 1,326.17
4. Step 4: Simplify right side
   2,071.37x = 3,791,253.65
5. Step 5: Solve for x
   x = 3,791,253.65/2,071.37
6. Step 6: Final answer
   x = 1,830.31