Finding the Fourth Proportional to 3,101.56, 4,647.78 and 2,317.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,101.56 : 4,647.78 = 2,317.88 : x
2. Step 2: Convert to fraction form
   3,101.56/4,647.78 = 2,317.88/x
3. Step 3: Cross multiply
   3,101.56x = 4,647.78 × 2,317.88
4. Step 4: Simplify right side
   3,101.56x = 10,773,007.93
5. Step 5: Solve for x
   x = 10,773,007.93/3,101.56
6. Step 6: Final answer
   x = 3,473.42