Finding the Fourth Proportional to 1,570.91, 2,167.71 and 941.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.91 : 2,167.71 = 941.43 : x
2. Step 2: Convert to fraction form
   1,570.91/2,167.71 = 941.43/x
3. Step 3: Cross multiply
   1,570.91x = 2,167.71 × 941.43
4. Step 4: Simplify right side
   1,570.91x = 2,040,742.52
5. Step 5: Solve for x
   x = 2,040,742.52/1,570.91
6. Step 6: Final answer
   x = 1,299.08