Finding the Fourth Proportional to 2,710.88, 4,066.34 and 979.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,710.88 : 4,066.34 = 979.50 : x
2. Step 2: Convert to fraction form
   2,710.88/4,066.34 = 979.50/x
3. Step 3: Cross multiply
   2,710.88x = 4,066.34 × 979.50
4. Step 4: Simplify right side
   2,710.88x = 3,982,980.03
5. Step 5: Solve for x
   x = 3,982,980.03/2,710.88
6. Step 6: Final answer
   x = 1,469.26