Finding the Fourth Proportional to 2,254.06, 3,378.69 and 1,330.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.06 : 3,378.69 = 1,330.05 : x
2. Step 2: Convert to fraction form
   2,254.06/3,378.69 = 1,330.05/x
3. Step 3: Cross multiply
   2,254.06x = 3,378.69 × 1,330.05
4. Step 4: Simplify right side
   2,254.06x = 4,493,826.63
5. Step 5: Solve for x
   x = 4,493,826.63/2,254.06
6. Step 6: Final answer
   x = 1,993.66