Finding the Fourth Proportional to 1,435.98, 2,153.61 and 569.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.98 : 2,153.61 = 569.82 : x
2. Step 2: Convert to fraction form
   1,435.98/2,153.61 = 569.82/x
3. Step 3: Cross multiply
   1,435.98x = 2,153.61 × 569.82
4. Step 4: Simplify right side
   1,435.98x = 1,227,170.05
5. Step 5: Solve for x
   x = 1,227,170.05/1,435.98
6. Step 6: Final answer
   x = 854.59