Finding the Fourth Proportional to 13,910.78, 19,196.93 and 7,537.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,910.78 : 19,196.93 = 7,537.38 : x
2. Step 2: Convert to fraction form
   13,910.78/19,196.93 = 7,537.38/x
3. Step 3: Cross multiply
   13,910.78x = 19,196.93 × 7,537.38
4. Step 4: Simplify right side
   13,910.78x = 144,694,518.56
5. Step 5: Solve for x
   x = 144,694,518.56/13,910.78
6. Step 6: Final answer
   x = 10,401.61