Finding the Fourth Proportional to 2,112.03, 3,168.06 and 651.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.03 : 3,168.06 = 651.18 : x
2. Step 2: Convert to fraction form
   2,112.03/3,168.06 = 651.18/x
3. Step 3: Cross multiply
   2,112.03x = 3,168.06 × 651.18
4. Step 4: Simplify right side
   2,112.03x = 2,062,977.31
5. Step 5: Solve for x
   x = 2,062,977.31/2,112.03
6. Step 6: Final answer
   x = 976.77