Finding the Fourth Proportional to 2,346.75, 3,238.41 and 1,298.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,346.75 : 3,238.41 = 1,298.79 : x
2. Step 2: Convert to fraction form
   2,346.75/3,238.41 = 1,298.79/x
3. Step 3: Cross multiply
   2,346.75x = 3,238.41 × 1,298.79
4. Step 4: Simplify right side
   2,346.75x = 4,206,014.52
5. Step 5: Solve for x
   x = 4,206,014.52/2,346.75
6. Step 6: Final answer
   x = 1,792.27