Finding the Fourth Proportional to 3,314.96, 4,933.78 and 3,172.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,314.96 : 4,933.78 = 3,172.88 : x
2. Step 2: Convert to fraction form
   3,314.96/4,933.78 = 3,172.88/x
3. Step 3: Cross multiply
   3,314.96x = 4,933.78 × 3,172.88
4. Step 4: Simplify right side
   3,314.96x = 15,654,291.89
5. Step 5: Solve for x
   x = 15,654,291.89/3,314.96
6. Step 6: Final answer
   x = 4,722.32