Finding the Fourth Proportional to 111,714.72, 167,477.82 and 48,487.20

Step by Step Solution

1. Step 1: Write the proportion equation
   111,714.72 : 167,477.82 = 48,487.20 : x
2. Step 2: Convert to fraction form
   111,714.72/167,477.82 = 48,487.20/x
3. Step 3: Cross multiply
   111,714.72x = 167,477.82 × 48,487.20
4. Step 4: Simplify right side
   111,714.72x = 8,120,530,553.90
5. Step 5: Solve for x
   x = 8,120,530,553.90/111,714.72
6. Step 6: Final answer
   x = 72,689.89