Finding the Fourth Proportional to 13,042.35, 19,559.88 and 5,249.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,042.35 : 19,559.88 = 5,249.34 : x
2. Step 2: Convert to fraction form
   13,042.35/19,559.88 = 5,249.34/x
3. Step 3: Cross multiply
   13,042.35x = 19,559.88 × 5,249.34
4. Step 4: Simplify right side
   13,042.35x = 102,676,460.48
5. Step 5: Solve for x
   x = 102,676,460.48/13,042.35
6. Step 6: Final answer
   x = 7,872.54