Finding the Fourth Proportional to 12,362.49, 17,081.82 and 9,730.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,362.49 : 17,081.82 = 9,730.80 : x
2. Step 2: Convert to fraction form
   12,362.49/17,081.82 = 9,730.80/x
3. Step 3: Cross multiply
   12,362.49x = 17,081.82 × 9,730.80
4. Step 4: Simplify right side
   12,362.49x = 166,219,774.06
5. Step 5: Solve for x
   x = 166,219,774.06/12,362.49
6. Step 6: Final answer
   x = 13,445.49