Finding the Fourth Proportional to 1,301.31, 1,950.37 and 570.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.31 : 1,950.37 = 570.03 : x
2. Step 2: Convert to fraction form
   1,301.31/1,950.37 = 570.03/x
3. Step 3: Cross multiply
   1,301.31x = 1,950.37 × 570.03
4. Step 4: Simplify right side
   1,301.31x = 1,111,769.41
5. Step 5: Solve for x
   x = 1,111,769.41/1,301.31
6. Step 6: Final answer
   x = 854.35