Finding the Fourth Proportional to 2,146.75, 3,218.59 and 976.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.75 : 3,218.59 = 976.17 : x
2. Step 2: Convert to fraction form
   2,146.75/3,218.59 = 976.17/x
3. Step 3: Cross multiply
   2,146.75x = 3,218.59 × 976.17
4. Step 4: Simplify right side
   2,146.75x = 3,141,891.00
5. Step 5: Solve for x
   x = 3,141,891.00/2,146.75
6. Step 6: Final answer
   x = 1,463.56