Finding the Fourth Proportional to 72,828.35, 109,255.01 and 33,388.85

Step by Step Solution

1. Step 1: Write the proportion equation
   72,828.35 : 109,255.01 = 33,388.85 : x
2. Step 2: Convert to fraction form
   72,828.35/109,255.01 = 33,388.85/x
3. Step 3: Cross multiply
   72,828.35x = 109,255.01 × 33,388.85
4. Step 4: Simplify right side
   72,828.35x = 3,647,898,427.42
5. Step 5: Solve for x
   x = 3,647,898,427.42/72,828.35
6. Step 6: Final answer
   x = 50,088.99