Finding the Fourth Proportional to 2,654.20, 3,981.12 and 706.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.20 : 3,981.12 = 706.42 : x
2. Step 2: Convert to fraction form
   2,654.20/3,981.12 = 706.42/x
3. Step 3: Cross multiply
   2,654.20x = 3,981.12 × 706.42
4. Step 4: Simplify right side
   2,654.20x = 2,812,342.79
5. Step 5: Solve for x
   x = 2,812,342.79/2,654.20
6. Step 6: Final answer
   x = 1,059.58