Finding the Fourth Proportional to 89,380.32, 134,087.78 and 33,972

Step by Step Solution

1. Step 1: Write the proportion equation
   89,380.32 : 134,087.78 = 33,972 : x
2. Step 2: Convert to fraction form
   89,380.32/134,087.78 = 33,972/x
3. Step 3: Cross multiply
   89,380.32x = 134,087.78 × 33,972
4. Step 4: Simplify right side
   89,380.32x = 4,555,230,062.16
5. Step 5: Solve for x
   x = 4,555,230,062.16/89,380.32
6. Step 6: Final answer
   x = 50,964.58