Finding the Fourth Proportional to 105,044.02, 157,542.03 and 30,163.57

Step by Step Solution

1. Step 1: Write the proportion equation
   105,044.02 : 157,542.03 = 30,163.57 : x
2. Step 2: Convert to fraction form
   105,044.02/157,542.03 = 30,163.57/x
3. Step 3: Cross multiply
   105,044.02x = 157,542.03 × 30,163.57
4. Step 4: Simplify right side
   105,044.02x = 4,752,030,359.89
5. Step 5: Solve for x
   x = 4,752,030,359.89/105,044.02
6. Step 6: Final answer
   x = 45,238.47