Finding the Fourth Proportional to 81,009.35, 111,787.58 and 50,793.38

Step by Step Solution

1. Step 1: Write the proportion equation
   81,009.35 : 111,787.58 = 50,793.38 : x
2. Step 2: Convert to fraction form
   81,009.35/111,787.58 = 50,793.38/x
3. Step 3: Cross multiply
   81,009.35x = 111,787.58 × 50,793.38
4. Step 4: Simplify right side
   81,009.35x = 5,678,068,217.32
5. Step 5: Solve for x
   x = 5,678,068,217.32/81,009.35
6. Step 6: Final answer
   x = 70,091.52