Finding the Fourth Proportional to 2,346.66, 3,238.25 and 1,298.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,346.66 : 3,238.25 = 1,298.75 : x
2. Step 2: Convert to fraction form
   2,346.66/3,238.25 = 1,298.75/x
3. Step 3: Cross multiply
   2,346.66x = 3,238.25 × 1,298.75
4. Step 4: Simplify right side
   2,346.66x = 4,205,654.50
5. Step 5: Solve for x
   x = 4,205,654.50/2,346.66
6. Step 6: Final answer
   x = 1,792.19