Finding the Fourth Proportional to 78,822.78, 108,759.50 and 50,153.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78,822.78 : 108,759.50 = 50,153.82 : x
2. Step 2: Convert to fraction form
   78,822.78/108,759.50 = 50,153.82/x
3. Step 3: Cross multiply
   78,822.78x = 108,759.50 × 50,153.82
4. Step 4: Simplify right side
   78,822.78x = 5,454,704,386.29
5. Step 5: Solve for x
   x = 5,454,704,386.29/78,822.78
6. Step 6: Final answer
   x = 69,202.13