Finding the Fourth Proportional to 2,346.39, 3,238.02 and 1,298.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,346.39 : 3,238.02 = 1,298.46 : x
2. Step 2: Convert to fraction form
   2,346.39/3,238.02 = 1,298.46/x
3. Step 3: Cross multiply
   2,346.39x = 3,238.02 × 1,298.46
4. Step 4: Simplify right side
   2,346.39x = 4,204,439.45
5. Step 5: Solve for x
   x = 4,204,439.45/2,346.39
6. Step 6: Final answer
   x = 1,791.88