Finding the Fourth Proportional to 2,311.94, 3,190.36 and 1,427.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311.94 : 3,190.36 = 1,427.82 : x
2. Step 2: Convert to fraction form
   2,311.94/3,190.36 = 1,427.82/x
3. Step 3: Cross multiply
   2,311.94x = 3,190.36 × 1,427.82
4. Step 4: Simplify right side
   2,311.94x = 4,555,259.82
5. Step 5: Solve for x
   x = 4,555,259.82/2,311.94
6. Step 6: Final answer
   x = 1,970.32