Finding the Fourth Proportional to 5,105.34, 7,047.72 and 3,427.92

Step by Step Solution

1. Step 1: Write the proportion equation
   5,105.34 : 7,047.72 = 3,427.92 : x
2. Step 2: Convert to fraction form
   5,105.34/7,047.72 = 3,427.92/x
3. Step 3: Cross multiply
   5,105.34x = 7,047.72 × 3,427.92
4. Step 4: Simplify right side
   5,105.34x = 24,159,020.34
5. Step 5: Solve for x
   x = 24,159,020.34/5,105.34
6. Step 6: Final answer
   x = 4,732.11