Finding the Fourth Proportional to 1,668.59, 2,300.69 and 1,269.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668.59 : 2,300.69 = 1,269.23 : x
2. Step 2: Convert to fraction form
   1,668.59/2,300.69 = 1,269.23/x
3. Step 3: Cross multiply
   1,668.59x = 2,300.69 × 1,269.23
4. Step 4: Simplify right side
   1,668.59x = 2,920,104.77
5. Step 5: Solve for x
   x = 2,920,104.77/1,668.59
6. Step 6: Final answer
   x = 1,750.04