Finding the Fourth Proportional to 13,042.49, 19,546.43 and 7,104.14

Step by Step Solution

1. Step 1: Write the proportion equation
   13,042.49 : 19,546.43 = 7,104.14 : x
2. Step 2: Convert to fraction form
   13,042.49/19,546.43 = 7,104.14/x
3. Step 3: Cross multiply
   13,042.49x = 19,546.43 × 7,104.14
4. Step 4: Simplify right side
   13,042.49x = 138,860,637.69
5. Step 5: Solve for x
   x = 138,860,637.69/13,042.49
6. Step 6: Final answer
   x = 10,646.79