Finding the Fourth Proportional to 1,615.82, 2,228.56 and 1,084.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615.82 : 2,228.56 = 1,084.52 : x
2. Step 2: Convert to fraction form
   1,615.82/2,228.56 = 1,084.52/x
3. Step 3: Cross multiply
   1,615.82x = 2,228.56 × 1,084.52
4. Step 4: Simplify right side
   1,615.82x = 2,416,920.75
5. Step 5: Solve for x
   x = 2,416,920.75/1,615.82
6. Step 6: Final answer
   x = 1,495.79