Finding the Fourth Proportional to 2,709.88, 4,061.22 and 976.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,709.88 : 4,061.22 = 976.84 : x
2. Step 2: Convert to fraction form
   2,709.88/4,061.22 = 976.84/x
3. Step 3: Cross multiply
   2,709.88x = 4,061.22 × 976.84
4. Step 4: Simplify right side
   2,709.88x = 3,967,162.14
5. Step 5: Solve for x
   x = 3,967,162.14/2,709.88
6. Step 6: Final answer
   x = 1,463.96