Finding the Fourth Proportional to 1,546.49, 2,317.56 and 853.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,546.49 : 2,317.56 = 853.49 : x
2. Step 2: Convert to fraction form
   1,546.49/2,317.56 = 853.49/x
3. Step 3: Cross multiply
   1,546.49x = 2,317.56 × 853.49
4. Step 4: Simplify right side
   1,546.49x = 1,978,008.64
5. Step 5: Solve for x
   x = 1,978,008.64/1,546.49
6. Step 6: Final answer
   x = 1,279.03