Finding the Fourth Proportional to 89,424.18, 134,115.44 and 33,290.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,424.18 : 134,115.44 = 33,290.72 : x
2. Step 2: Convert to fraction form
   89,424.18/134,115.44 = 33,290.72/x
3. Step 3: Cross multiply
   89,424.18x = 134,115.44 × 33,290.72
4. Step 4: Simplify right side
   89,424.18x = 4,464,799,560.72
5. Step 5: Solve for x
   x = 4,464,799,560.72/89,424.18
6. Step 6: Final answer
   x = 49,928.33