Finding the Fourth Proportional to 86,162.69, 118,886.92 and 50,345.77

Step by Step Solution

1. Step 1: Write the proportion equation
   86,162.69 : 118,886.92 = 50,345.77 : x
2. Step 2: Convert to fraction form
   86,162.69/118,886.92 = 50,345.77/x
3. Step 3: Cross multiply
   86,162.69x = 118,886.92 × 50,345.77
4. Step 4: Simplify right side
   86,162.69x = 5,985,453,613.35
5. Step 5: Solve for x
   x = 5,985,453,613.35/86,162.69
6. Step 6: Final answer
   x = 69,466.89