Finding the Fourth Proportional to 2,131.43, 3,196.06 and 976.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.43 : 3,196.06 = 976.19 : x
2. Step 2: Convert to fraction form
   2,131.43/3,196.06 = 976.19/x
3. Step 3: Cross multiply
   2,131.43x = 3,196.06 × 976.19
4. Step 4: Simplify right side
   2,131.43x = 3,119,961.81
5. Step 5: Solve for x
   x = 3,119,961.81/2,131.43
6. Step 6: Final answer
   x = 1,463.79