Finding the Fourth Proportional to 2,293.40, 3,164.63 and 1,408.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.40 : 3,164.63 = 1,408.98 : x
2. Step 2: Convert to fraction form
   2,293.40/3,164.63 = 1,408.98/x
3. Step 3: Cross multiply
   2,293.40x = 3,164.63 × 1,408.98
4. Step 4: Simplify right side
   2,293.40x = 4,458,900.38
5. Step 5: Solve for x
   x = 4,458,900.38/2,293.40
6. Step 6: Final answer
   x = 1,944.23