Finding the Fourth Proportional to 1,301.51, 1,951.15 and 570.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.51 : 1,951.15 = 570.53 : x
2. Step 2: Convert to fraction form
   1,301.51/1,951.15 = 570.53/x
3. Step 3: Cross multiply
   1,301.51x = 1,951.15 × 570.53
4. Step 4: Simplify right side
   1,301.51x = 1,113,189.61
5. Step 5: Solve for x
   x = 1,113,189.61/1,301.51
6. Step 6: Final answer
   x = 855.31