Finding the Fourth Proportional to 2,654.80, 3,982.38 and 707.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.80 : 3,982.38 = 707.02 : x
2. Step 2: Convert to fraction form
   2,654.80/3,982.38 = 707.02/x
3. Step 3: Cross multiply
   2,654.80x = 3,982.38 × 707.02
4. Step 4: Simplify right side
   2,654.80x = 2,815,622.31
5. Step 5: Solve for x
   x = 2,815,622.31/2,654.80
6. Step 6: Final answer
   x = 1,060.58