Finding the Fourth Proportional to 2,654.22, 3,981.60 and 706.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.22 : 3,981.60 = 706.56 : x
2. Step 2: Convert to fraction form
   2,654.22/3,981.60 = 706.56/x
3. Step 3: Cross multiply
   2,654.22x = 3,981.60 × 706.56
4. Step 4: Simplify right side
   2,654.22x = 2,813,239.30
5. Step 5: Solve for x
   x = 2,813,239.30/2,654.22
6. Step 6: Final answer
   x = 1,059.91