Finding the Fourth Proportional to 1,570.73, 2,169.18 and 1,293.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.73 : 2,169.18 = 1,293.71 : x
2. Step 2: Convert to fraction form
   1,570.73/2,169.18 = 1,293.71/x
3. Step 3: Cross multiply
   1,570.73x = 2,169.18 × 1,293.71
4. Step 4: Simplify right side
   1,570.73x = 2,806,279.01
5. Step 5: Solve for x
   x = 2,806,279.01/1,570.73
6. Step 6: Final answer
   x = 1,786.61