Finding the Fourth Proportional to 1,036.04, 1,429.78 and 570.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.04 : 1,429.78 = 570.28 : x
2. Step 2: Convert to fraction form
   1,036.04/1,429.78 = 570.28/x
3. Step 3: Cross multiply
   1,036.04x = 1,429.78 × 570.28
4. Step 4: Simplify right side
   1,036.04x = 815,374.94
5. Step 5: Solve for x
   x = 815,374.94/1,036.04
6. Step 6: Final answer
   x = 787.01