Finding the Fourth Proportional to 1,035.33, 1,428.83 and 569.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,035.33 : 1,428.83 = 569.58 : x
2. Step 2: Convert to fraction form
   1,035.33/1,428.83 = 569.58/x
3. Step 3: Cross multiply
   1,035.33x = 1,428.83 × 569.58
4. Step 4: Simplify right side
   1,035.33x = 813,830.14
5. Step 5: Solve for x
   x = 813,830.14/1,035.33
6. Step 6: Final answer
   x = 786.06