Finding the Fourth Proportional to 2,214.30, 3,054.72 and 1,328.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,214.30 : 3,054.72 = 1,328.58 : x
2. Step 2: Convert to fraction form
   2,214.30/3,054.72 = 1,328.58/x
3. Step 3: Cross multiply
   2,214.30x = 3,054.72 × 1,328.58
4. Step 4: Simplify right side
   2,214.30x = 4,058,439.90
5. Step 5: Solve for x
   x = 4,058,439.90/2,214.30
6. Step 6: Final answer
   x = 1,832.83