Finding the Fourth Proportional to 2,146.93, 3,218.83 and 976.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.93 : 3,218.83 = 976.32 : x
2. Step 2: Convert to fraction form
   2,146.93/3,218.83 = 976.32/x
3. Step 3: Cross multiply
   2,146.93x = 3,218.83 × 976.32
4. Step 4: Simplify right side
   2,146.93x = 3,142,605.66
5. Step 5: Solve for x
   x = 3,142,605.66/2,146.93
6. Step 6: Final answer
   x = 1,463.77