Finding the Fourth Proportional to 1,667.83, 2,284.90 and 1,605.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.83 : 2,284.90 = 1,605.52 : x
2. Step 2: Convert to fraction form
   1,667.83/2,284.90 = 1,605.52/x
3. Step 3: Cross multiply
   1,667.83x = 2,284.90 × 1,605.52
4. Step 4: Simplify right side
   1,667.83x = 3,668,452.65
5. Step 5: Solve for x
   x = 3,668,452.65/1,667.83
6. Step 6: Final answer
   x = 2,199.54