Finding the Fourth Proportional to 1,083.84, 1,495.68 and 618.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.84 : 1,495.68 = 618.08 : x
2. Step 2: Convert to fraction form
   1,083.84/1,495.68 = 618.08/x
3. Step 3: Cross multiply
   1,083.84x = 1,495.68 × 618.08
4. Step 4: Simplify right side
   1,083.84x = 924,449.89
5. Step 5: Solve for x
   x = 924,449.89/1,083.84
6. Step 6: Final answer
   x = 852.94