Finding the Fourth Proportional to 72,672.59, 108,780.44 and 50,050.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,672.59 : 108,780.44 = 50,050.50 : x
2. Step 2: Convert to fraction form
   72,672.59/108,780.44 = 50,050.50/x
3. Step 3: Cross multiply
   72,672.59x = 108,780.44 × 50,050.50
4. Step 4: Simplify right side
   72,672.59x = 5,444,515,161.97
5. Step 5: Solve for x
   x = 5,444,515,161.97/72,672.59
6. Step 6: Final answer
   x = 74,918.42