Finding the Fourth Proportional to 9,270.18, 13,906.89 and 3,426.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,270.18 : 13,906.89 = 3,426.03 : x
2. Step 2: Convert to fraction form
   9,270.18/13,906.89 = 3,426.03/x
3. Step 3: Cross multiply
   9,270.18x = 13,906.89 × 3,426.03
4. Step 4: Simplify right side
   9,270.18x = 47,645,422.35
5. Step 5: Solve for x
   x = 47,645,422.35/9,270.18
6. Step 6: Final answer
   x = 5,139.64