Finding the Fourth Proportional to 105,086.72, 157,714.14 and 55,196.24

Step by Step Solution

1. Step 1: Write the proportion equation
   105,086.72 : 157,714.14 = 55,196.24 : x
2. Step 2: Convert to fraction form
   105,086.72/157,714.14 = 55,196.24/x
3. Step 3: Cross multiply
   105,086.72x = 157,714.14 × 55,196.24
4. Step 4: Simplify right side
   105,086.72x = 8,705,226,630.77
5. Step 5: Solve for x
   x = 8,705,226,630.77/105,086.72
6. Step 6: Final answer
   x = 82,838.51