Finding the Fourth Proportional to 2,043.82, 2,820.18 and 1,258.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.82 : 2,820.18 = 1,258.12 : x
2. Step 2: Convert to fraction form
   2,043.82/2,820.18 = 1,258.12/x
3. Step 3: Cross multiply
   2,043.82x = 2,820.18 × 1,258.12
4. Step 4: Simplify right side
   2,043.82x = 3,548,124.86
5. Step 5: Solve for x
   x = 3,548,124.86/2,043.82
6. Step 6: Final answer
   x = 1,736.03