Finding the Fourth Proportional to 85,902.32, 118,553.16 and 50,103.92

Step by Step Solution

1. Step 1: Write the proportion equation
   85,902.32 : 118,553.16 = 50,103.92 : x
2. Step 2: Convert to fraction form
   85,902.32/118,553.16 = 50,103.92/x
3. Step 3: Cross multiply
   85,902.32x = 118,553.16 × 50,103.92
4. Step 4: Simplify right side
   85,902.32x = 5,939,978,044.39
5. Step 5: Solve for x
   x = 5,939,978,044.39/85,902.32
6. Step 6: Final answer
   x = 69,148.05