Finding the Fourth Proportional to 105,351.59, 158,003.69 and 30,455.06

Step by Step Solution

1. Step 1: Write the proportion equation
   105,351.59 : 158,003.69 = 30,455.06 : x
2. Step 2: Convert to fraction form
   105,351.59/158,003.69 = 30,455.06/x
3. Step 3: Cross multiply
   105,351.59x = 158,003.69 × 30,455.06
4. Step 4: Simplify right side
   105,351.59x = 4,812,010,916.88
5. Step 5: Solve for x
   x = 4,812,010,916.88/105,351.59
6. Step 6: Final answer
   x = 45,675.73