Finding the Fourth Proportional to 1,779.10, 2,667.38 and 682.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779.10 : 2,667.38 = 682.54 : x
2. Step 2: Convert to fraction form
   1,779.10/2,667.38 = 682.54/x
3. Step 3: Cross multiply
   1,779.10x = 2,667.38 × 682.54
4. Step 4: Simplify right side
   1,779.10x = 1,820,593.55
5. Step 5: Solve for x
   x = 1,820,593.55/1,779.10
6. Step 6: Final answer
   x = 1,023.32