Finding the Fourth Proportional to 13,879, 19,153.56 and 7,910.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,879 : 19,153.56 = 7,910.52 : x
2. Step 2: Convert to fraction form
   13,879/19,153.56 = 7,910.52/x
3. Step 3: Cross multiply
   13,879x = 19,153.56 × 7,910.52
4. Step 4: Simplify right side
   13,879x = 151,514,619.45
5. Step 5: Solve for x
   x = 151,514,619.45/13,879
6. Step 6: Final answer
   x = 10,916.83