Finding the Fourth Proportional to 78,869.51, 108,852.42 and 50,159.24

Step by Step Solution

1. Step 1: Write the proportion equation
   78,869.51 : 108,852.42 = 50,159.24 : x
2. Step 2: Convert to fraction form
   78,869.51/108,852.42 = 50,159.24/x
3. Step 3: Cross multiply
   78,869.51x = 108,852.42 × 50,159.24
4. Step 4: Simplify right side
   78,869.51x = 5,459,954,115.10
5. Step 5: Solve for x
   x = 5,459,954,115.10/78,869.51
6. Step 6: Final answer
   x = 69,227.69