Finding the Fourth Proportional to 2,071.38, 3,106.16 and 1,097.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.38 : 3,106.16 = 1,097.25 : x
2. Step 2: Convert to fraction form
   2,071.38/3,106.16 = 1,097.25/x
3. Step 3: Cross multiply
   2,071.38x = 3,106.16 × 1,097.25
4. Step 4: Simplify right side
   2,071.38x = 3,408,228.57
5. Step 5: Solve for x
   x = 3,408,228.57/2,071.38
6. Step 6: Final answer
   x = 1,645.39