Finding the Fourth Proportional to 2,111.99, 3,168.45 and 651.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.99 : 3,168.45 = 651.29 : x
2. Step 2: Convert to fraction form
   2,111.99/3,168.45 = 651.29/x
3. Step 3: Cross multiply
   2,111.99x = 3,168.45 × 651.29
4. Step 4: Simplify right side
   2,111.99x = 2,063,563.96
5. Step 5: Solve for x
   x = 2,063,563.96/2,111.99
6. Step 6: Final answer
   x = 977.07