Finding the Fourth Proportional to 2,112.54, 3,167.59 and 651.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.54 : 3,167.59 = 651.30 : x
2. Step 2: Convert to fraction form
   2,112.54/3,167.59 = 651.30/x
3. Step 3: Cross multiply
   2,112.54x = 3,167.59 × 651.30
4. Step 4: Simplify right side
   2,112.54x = 2,063,051.37
5. Step 5: Solve for x
   x = 2,063,051.37/2,112.54
6. Step 6: Final answer
   x = 976.57