Finding the Fourth Proportional to 1,665.02, 2,498.22 and 569.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.02 : 2,498.22 = 569.45 : x
2. Step 2: Convert to fraction form
   1,665.02/2,498.22 = 569.45/x
3. Step 3: Cross multiply
   1,665.02x = 2,498.22 × 569.45
4. Step 4: Simplify right side
   1,665.02x = 1,422,617.62
5. Step 5: Solve for x
   x = 1,422,617.62/1,665.02
6. Step 6: Final answer
   x = 854.41