Finding the Fourth Proportional to 9,234.34, 12,743.36 and 5,042.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,234.34 : 12,743.36 = 5,042.60 : x
2. Step 2: Convert to fraction form
   9,234.34/12,743.36 = 5,042.60/x
3. Step 3: Cross multiply
   9,234.34x = 12,743.36 × 5,042.60
4. Step 4: Simplify right side
   9,234.34x = 64,259,667.14
5. Step 5: Solve for x
   x = 64,259,667.14/9,234.34
6. Step 6: Final answer
   x = 6,958.77