Finding the Fourth Proportional to 105,748.37, 158,411.07 and 63,605.19

Step by Step Solution

1. Step 1: Write the proportion equation
   105,748.37 : 158,411.07 = 63,605.19 : x
2. Step 2: Convert to fraction form
   105,748.37/158,411.07 = 63,605.19/x
3. Step 3: Cross multiply
   105,748.37x = 158,411.07 × 63,605.19
4. Step 4: Simplify right side
   105,748.37x = 10,075,766,205.45
5. Step 5: Solve for x
   x = 10,075,766,205.45/105,748.37
6. Step 6: Final answer
   x = 95,280.58