Finding the Fourth Proportional to 2,108.88, 3,162.22 and 954

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.88 : 3,162.22 = 954 : x
2. Step 2: Convert to fraction form
   2,108.88/3,162.22 = 954/x
3. Step 3: Cross multiply
   2,108.88x = 3,162.22 × 954
4. Step 4: Simplify right side
   2,108.88x = 3,016,757.88
5. Step 5: Solve for x
   x = 3,016,757.88/2,108.88
6. Step 6: Final answer
   x = 1,430.50