Finding the Fourth Proportional to 112,719.69, 169,112.46 and 50,375.61

Step by Step Solution

1. Step 1: Write the proportion equation
   112,719.69 : 169,112.46 = 50,375.61 : x
2. Step 2: Convert to fraction form
   112,719.69/169,112.46 = 50,375.61/x
3. Step 3: Cross multiply
   112,719.69x = 169,112.46 × 50,375.61
4. Step 4: Simplify right side
   112,719.69x = 8,519,143,331.10
5. Step 5: Solve for x
   x = 8,519,143,331.10/112,719.69
6. Step 6: Final answer
   x = 75,578.13