Finding the Fourth Proportional to 105,435.99, 158,162.09 and 30,557.16

Step by Step Solution

1. Step 1: Write the proportion equation
   105,435.99 : 158,162.09 = 30,557.16 : x
2. Step 2: Convert to fraction form
   105,435.99/158,162.09 = 30,557.16/x
3. Step 3: Cross multiply
   105,435.99x = 158,162.09 × 30,557.16
4. Step 4: Simplify right side
   105,435.99x = 4,832,984,290.06
5. Step 5: Solve for x
   x = 4,832,984,290.06/105,435.99
6. Step 6: Final answer
   x = 45,838.09