Finding the Fourth Proportional to 13,910.69, 19,196.76 and 7,623.07

Step by Step Solution

1. Step 1: Write the proportion equation
   13,910.69 : 19,196.76 = 7,623.07 : x
2. Step 2: Convert to fraction form
   13,910.69/19,196.76 = 7,623.07/x
3. Step 3: Cross multiply
   13,910.69x = 19,196.76 × 7,623.07
4. Step 4: Simplify right side
   13,910.69x = 146,338,111.15
5. Step 5: Solve for x
   x = 146,338,111.15/13,910.69
6. Step 6: Final answer
   x = 10,519.83