Finding the Fourth Proportional to 89,394.32, 134,108.78 and 33,986

Step by Step Solution

1. Step 1: Write the proportion equation
   89,394.32 : 134,108.78 = 33,986 : x
2. Step 2: Convert to fraction form
   89,394.32/134,108.78 = 33,986/x
3. Step 3: Cross multiply
   89,394.32x = 134,108.78 × 33,986
4. Step 4: Simplify right side
   89,394.32x = 4,557,820,997.08
5. Step 5: Solve for x
   x = 4,557,820,997.08/89,394.32
6. Step 6: Final answer
   x = 50,985.58