Finding the Fourth Proportional to 3,558.42, 4,910.22 and 2,141.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,558.42 : 4,910.22 = 2,141.88 : x
2. Step 2: Convert to fraction form
   3,558.42/4,910.22 = 2,141.88/x
3. Step 3: Cross multiply
   3,558.42x = 4,910.22 × 2,141.88
4. Step 4: Simplify right side
   3,558.42x = 10,517,102.01
5. Step 5: Solve for x
   x = 10,517,102.01/3,558.42
6. Step 6: Final answer
   x = 2,955.55