Finding the Fourth Proportional to 1,036.09, 1,429.79 and 570.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.09 : 1,429.79 = 570.34 : x
2. Step 2: Convert to fraction form
   1,036.09/1,429.79 = 570.34/x
3. Step 3: Cross multiply
   1,036.09x = 1,429.79 × 570.34
4. Step 4: Simplify right side
   1,036.09x = 815,466.43
5. Step 5: Solve for x
   x = 815,466.43/1,036.09
6. Step 6: Final answer
   x = 787.06