Finding the Fourth Proportional to 105,697.86, 158,335.55 and 63,554.87

Step by Step Solution

1. Step 1: Write the proportion equation
   105,697.86 : 158,335.55 = 63,554.87 : x
2. Step 2: Convert to fraction form
   105,697.86/158,335.55 = 63,554.87/x
3. Step 3: Cross multiply
   105,697.86x = 158,335.55 × 63,554.87
4. Step 4: Simplify right side
   105,697.86x = 10,062,994,583.02
5. Step 5: Solve for x
   x = 10,062,994,583.02/105,697.86
6. Step 6: Final answer
   x = 95,205.28