Finding the Fourth Proportional to 2,614.38, 3,922 and 1,298.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.38 : 3,922 = 1,298.18 : x
2. Step 2: Convert to fraction form
   2,614.38/3,922 = 1,298.18/x
3. Step 3: Cross multiply
   2,614.38x = 3,922 × 1,298.18
4. Step 4: Simplify right side
   2,614.38x = 5,091,461.96
5. Step 5: Solve for x
   x = 5,091,461.96/2,614.38
6. Step 6: Final answer
   x = 1,947.48