Finding the Fourth Proportional to 1,779.23, 2,667.17 and 957.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779.23 : 2,667.17 = 957.59 : x
2. Step 2: Convert to fraction form
   1,779.23/2,667.17 = 957.59/x
3. Step 3: Cross multiply
   1,779.23x = 2,667.17 × 957.59
4. Step 4: Simplify right side
   1,779.23x = 2,554,037.20
5. Step 5: Solve for x
   x = 2,554,037.20/1,779.23
6. Step 6: Final answer
   x = 1,435.48