Finding the Fourth Proportional to 105,469.92, 158,238 and 46,355.28

Step by Step Solution

1. Step 1: Write the proportion equation
   105,469.92 : 158,238 = 46,355.28 : x
2. Step 2: Convert to fraction form
   105,469.92/158,238 = 46,355.28/x
3. Step 3: Cross multiply
   105,469.92x = 158,238 × 46,355.28
4. Step 4: Simplify right side
   105,469.92x = 7,335,166,796.64
5. Step 5: Solve for x
   x = 7,335,166,796.64/105,469.92
6. Step 6: Final answer
   x = 69,547.48