Finding the Fourth Proportional to 5,179.96, 7,141.80 and 4,234.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,179.96 : 7,141.80 = 4,234.72 : x
2. Step 2: Convert to fraction form
   5,179.96/7,141.80 = 4,234.72/x
3. Step 3: Cross multiply
   5,179.96x = 7,141.80 × 4,234.72
4. Step 4: Simplify right side
   5,179.96x = 30,243,523.30
5. Step 5: Solve for x
   x = 30,243,523.30/5,179.96
6. Step 6: Final answer
   x = 5,838.56