Finding the Fourth Proportional to 105,086.48, 157,451.52 and 63,446

Step by Step Solution

1. Step 1: Write the proportion equation
   105,086.48 : 157,451.52 = 63,446 : x
2. Step 2: Convert to fraction form
   105,086.48/157,451.52 = 63,446/x
3. Step 3: Cross multiply
   105,086.48x = 157,451.52 × 63,446
4. Step 4: Simplify right side
   105,086.48x = 9,989,669,137.92
5. Step 5: Solve for x
   x = 9,989,669,137.92/105,086.48
6. Step 6: Final answer
   x = 95,061.41