Finding the Fourth Proportional to 4,162.56, 5,739.28 and 2,904.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,162.56 : 5,739.28 = 2,904.72 : x
2. Step 2: Convert to fraction form
   4,162.56/5,739.28 = 2,904.72/x
3. Step 3: Cross multiply
   4,162.56x = 5,739.28 × 2,904.72
4. Step 4: Simplify right side
   4,162.56x = 16,671,001.40
5. Step 5: Solve for x
   x = 16,671,001.40/4,162.56
6. Step 6: Final answer
   x = 4,004.99