Finding the Fourth Proportional to 105,506.56, 158,286.72 and 46,355.20

Step by Step Solution

1. Step 1: Write the proportion equation
   105,506.56 : 158,286.72 = 46,355.20 : x
2. Step 2: Convert to fraction form
   105,506.56/158,286.72 = 46,355.20/x
3. Step 3: Cross multiply
   105,506.56x = 158,286.72 × 46,355.20
4. Step 4: Simplify right side
   105,506.56x = 7,337,412,562.94
5. Step 5: Solve for x
   x = 7,337,412,562.94/105,506.56
6. Step 6: Final answer
   x = 69,544.61