Finding the Fourth Proportional to 1,300.71, 1,949.75 and 570.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.71 : 1,949.75 = 570.16 : x
2. Step 2: Convert to fraction form
   1,300.71/1,949.75 = 570.16/x
3. Step 3: Cross multiply
   1,300.71x = 1,949.75 × 570.16
4. Step 4: Simplify right side
   1,300.71x = 1,111,669.46
5. Step 5: Solve for x
   x = 1,111,669.46/1,300.71
6. Step 6: Final answer
   x = 854.66