Finding the Fourth Proportional to 1,668.93, 2,500.71 and 1,147.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668.93 : 2,500.71 = 1,147.08 : x
2. Step 2: Convert to fraction form
   1,668.93/2,500.71 = 1,147.08/x
3. Step 3: Cross multiply
   1,668.93x = 2,500.71 × 1,147.08
4. Step 4: Simplify right side
   1,668.93x = 2,868,514.43
5. Step 5: Solve for x
   x = 2,868,514.43/1,668.93
6. Step 6: Final answer
   x = 1,718.77