Finding the Fourth Proportional to 86,160.72, 118,907.82 and 50,354.67

Step by Step Solution

1. Step 1: Write the proportion equation
   86,160.72 : 118,907.82 = 50,354.67 : x
2. Step 2: Convert to fraction form
   86,160.72/118,907.82 = 50,354.67/x
3. Step 3: Cross multiply
   86,160.72x = 118,907.82 × 50,354.67
4. Step 4: Simplify right side
   86,160.72x = 5,987,564,036.52
5. Step 5: Solve for x
   x = 5,987,564,036.52/86,160.72
6. Step 6: Final answer
   x = 69,492.97