Finding the Fourth Proportional to 1,301.89, 1,951.73 and 570.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.89 : 1,951.73 = 570.92 : x
2. Step 2: Convert to fraction form
   1,301.89/1,951.73 = 570.92/x
3. Step 3: Cross multiply
   1,301.89x = 1,951.73 × 570.92
4. Step 4: Simplify right side
   1,301.89x = 1,114,281.69
5. Step 5: Solve for x
   x = 1,114,281.69/1,301.89
6. Step 6: Final answer
   x = 855.90