Finding the Fourth Proportional to 2,112.00, 3,168.42 and 651.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.00 : 3,168.42 = 651.09 : x
2. Step 2: Convert to fraction form
   2,112.00/3,168.42 = 651.09/x
3. Step 3: Cross multiply
   2,112.00x = 3,168.42 × 651.09
4. Step 4: Simplify right side
   2,112.00x = 2,062,936.02
5. Step 5: Solve for x
   x = 2,062,936.02/2,112.00
6. Step 6: Final answer
   x = 976.77