Finding the Fourth Proportional to 50,910.76, 76,327.74 and 33,385

Step by Step Solution

1. Step 1: Write the proportion equation
   50,910.76 : 76,327.74 = 33,385 : x
2. Step 2: Convert to fraction form
   50,910.76/76,327.74 = 33,385/x
3. Step 3: Cross multiply
   50,910.76x = 76,327.74 × 33,385
4. Step 4: Simplify right side
   50,910.76x = 2,548,201,599.90
5. Step 5: Solve for x
   x = 2,548,201,599.90/50,910.76
6. Step 6: Final answer
   x = 50,052.32