Finding the Fourth Proportional to 105,417.09, 158,015.48 and 46,202.85

Step by Step Solution

1. Step 1: Write the proportion equation
   105,417.09 : 158,015.48 = 46,202.85 : x
2. Step 2: Convert to fraction form
   105,417.09/158,015.48 = 46,202.85/x
3. Step 3: Cross multiply
   105,417.09x = 158,015.48 × 46,202.85
4. Step 4: Simplify right side
   105,417.09x = 7,300,765,289.10
5. Step 5: Solve for x
   x = 7,300,765,289.10/105,417.09
6. Step 6: Final answer
   x = 69,255.99