Finding the Fourth Proportional to 3,162.22, 4,722.35 and 3,127.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,162.22 : 4,722.35 = 3,127.89 : x
2. Step 2: Convert to fraction form
   3,162.22/4,722.35 = 3,127.89/x
3. Step 3: Cross multiply
   3,162.22x = 4,722.35 × 3,127.89
4. Step 4: Simplify right side
   3,162.22x = 14,770,991.34
5. Step 5: Solve for x
   x = 14,770,991.34/3,162.22
6. Step 6: Final answer
   x = 4,671.08