Finding the Fourth Proportional to 13,077.49, 18,046.79 and 9,735.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,077.49 : 18,046.79 = 9,735.25 : x
2. Step 2: Convert to fraction form
   13,077.49/18,046.79 = 9,735.25/x
3. Step 3: Cross multiply
   13,077.49x = 18,046.79 × 9,735.25
4. Step 4: Simplify right side
   13,077.49x = 175,690,012.35
5. Step 5: Solve for x
   x = 175,690,012.35/13,077.49
6. Step 6: Final answer
   x = 13,434.54