Finding the Fourth Proportional to 9,234.48, 12,743.58 and 5,042.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,234.48 : 12,743.58 = 5,042.72 : x
2. Step 2: Convert to fraction form
   9,234.48/12,743.58 = 5,042.72/x
3. Step 3: Cross multiply
   9,234.48x = 12,743.58 × 5,042.72
4. Step 4: Simplify right side
   9,234.48x = 64,262,305.74
5. Step 5: Solve for x
   x = 64,262,305.74/9,234.48
6. Step 6: Final answer
   x = 6,958.95