Finding the Fourth Proportional to 78,755.37, 108,663.17 and 50,499.33

Step by Step Solution

1. Step 1: Write the proportion equation
   78,755.37 : 108,663.17 = 50,499.33 : x
2. Step 2: Convert to fraction form
   78,755.37/108,663.17 = 50,499.33/x
3. Step 3: Cross multiply
   78,755.37x = 108,663.17 × 50,499.33
4. Step 4: Simplify right side
   78,755.37x = 5,487,417,028.18
5. Step 5: Solve for x
   x = 5,487,417,028.18/78,755.37
6. Step 6: Final answer
   x = 69,676.73