Finding the Fourth Proportional to 89,284.53, 133,927.26 and 30,120.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,284.53 : 133,927.26 = 30,120.72 : x
2. Step 2: Convert to fraction form
   89,284.53/133,927.26 = 30,120.72/x
3. Step 3: Cross multiply
   89,284.53x = 133,927.26 × 30,120.72
4. Step 4: Simplify right side
   89,284.53x = 4,033,985,498.83
5. Step 5: Solve for x
   x = 4,033,985,498.83/89,284.53
6. Step 6: Final answer
   x = 45,181.24