Finding the Fourth Proportional to 3,418.72, 5,124.04 and 1,958.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,418.72 : 5,124.04 = 1,958.88 : x
2. Step 2: Convert to fraction form
   3,418.72/5,124.04 = 1,958.88/x
3. Step 3: Cross multiply
   3,418.72x = 5,124.04 × 1,958.88
4. Step 4: Simplify right side
   3,418.72x = 10,037,379.48
5. Step 5: Solve for x
   x = 10,037,379.48/3,418.72
6. Step 6: Final answer
   x = 2,936.01