Finding the Fourth Proportional to 12,469.81, 17,211.92 and 7,370.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,469.81 : 17,211.92 = 7,370.05 : x
2. Step 2: Convert to fraction form
   12,469.81/17,211.92 = 7,370.05/x
3. Step 3: Cross multiply
   12,469.81x = 17,211.92 × 7,370.05
4. Step 4: Simplify right side
   12,469.81x = 126,852,711.00
5. Step 5: Solve for x
   x = 126,852,711.00/12,469.81
6. Step 6: Final answer
   x = 10,172.79