Finding the Fourth Proportional to 105,651.30, 158,485.29 and 30,772.62

Step by Step Solution

1. Step 1: Write the proportion equation
   105,651.30 : 158,485.29 = 30,772.62 : x
2. Step 2: Convert to fraction form
   105,651.30/158,485.29 = 30,772.62/x
3. Step 3: Cross multiply
   105,651.30x = 158,485.29 × 30,772.62
4. Step 4: Simplify right side
   105,651.30x = 4,877,007,604.76
5. Step 5: Solve for x
   x = 4,877,007,604.76/105,651.30
6. Step 6: Final answer
   x = 46,161.36