Finding the Fourth Proportional to 2,654.02, 3,980.67 and 706.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.02 : 3,980.67 = 706.06 : x
2. Step 2: Convert to fraction form
   2,654.02/3,980.67 = 706.06/x
3. Step 3: Cross multiply
   2,654.02x = 3,980.67 × 706.06
4. Step 4: Simplify right side
   2,654.02x = 2,810,591.86
5. Step 5: Solve for x
   x = 2,810,591.86/2,654.02
6. Step 6: Final answer
   x = 1,058.99