Finding the Fourth Proportional to 89,280.22, 133,920.74 and 30,116.41

Step by Step Solution

1. Step 1: Write the proportion equation
   89,280.22 : 133,920.74 = 30,116.41 : x
2. Step 2: Convert to fraction form
   89,280.22/133,920.74 = 30,116.41/x
3. Step 3: Cross multiply
   89,280.22x = 133,920.74 × 30,116.41
4. Step 4: Simplify right side
   89,280.22x = 4,033,211,913.34
5. Step 5: Solve for x
   x = 4,033,211,913.34/89,280.22
6. Step 6: Final answer
   x = 45,174.75