Finding the Fourth Proportional to 50,775.98, 76,109.94 and 19,172.59

Step by Step Solution

1. Step 1: Write the proportion equation
   50,775.98 : 76,109.94 = 19,172.59 : x
2. Step 2: Convert to fraction form
   50,775.98/76,109.94 = 19,172.59/x
3. Step 3: Cross multiply
   50,775.98x = 76,109.94 × 19,172.59
4. Step 4: Simplify right side
   50,775.98x = 1,459,224,532.20
5. Step 5: Solve for x
   x = 1,459,224,532.20/50,775.98
6. Step 6: Final answer
   x = 28,738.48