Finding the Fourth Proportional to 89,172.41, 133,719.72 and 33,729.53

Step by Step Solution

1. Step 1: Write the proportion equation
   89,172.41 : 133,719.72 = 33,729.53 : x
2. Step 2: Convert to fraction form
   89,172.41/133,719.72 = 33,729.53/x
3. Step 3: Cross multiply
   89,172.41x = 133,719.72 × 33,729.53
4. Step 4: Simplify right side
   89,172.41x = 4,510,303,307.33
5. Step 5: Solve for x
   x = 4,510,303,307.33/89,172.41
6. Step 6: Final answer
   x = 50,579.58