Finding the Fourth Proportional to 3,488.42, 5,231.82 and 1,298.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,488.42 : 5,231.82 = 1,298.18 : x
2. Step 2: Convert to fraction form
   3,488.42/5,231.82 = 1,298.18/x
3. Step 3: Cross multiply
   3,488.42x = 5,231.82 × 1,298.18
4. Step 4: Simplify right side
   3,488.42x = 6,791,844.09
5. Step 5: Solve for x
   x = 6,791,844.09/3,488.42
6. Step 6: Final answer
   x = 1,946.97