Finding the Fourth Proportional to 1,084.26, 1,495.89 and 618.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.26 : 1,495.89 = 618.24 : x
2. Step 2: Convert to fraction form
   1,084.26/1,495.89 = 618.24/x
3. Step 3: Cross multiply
   1,084.26x = 1,495.89 × 618.24
4. Step 4: Simplify right side
   1,084.26x = 924,819.03
5. Step 5: Solve for x
   x = 924,819.03/1,084.26
6. Step 6: Final answer
   x = 852.95