Finding the Fourth Proportional to 1,669.34, 2,503.30 and 573.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669.34 : 2,503.30 = 573.82 : x
2. Step 2: Convert to fraction form
   1,669.34/2,503.30 = 573.82/x
3. Step 3: Cross multiply
   1,669.34x = 2,503.30 × 573.82
4. Step 4: Simplify right side
   1,669.34x = 1,436,443.61
5. Step 5: Solve for x
   x = 1,436,443.61/1,669.34
6. Step 6: Final answer
   x = 860.49