Finding the Fourth Proportional to 105,452.80, 158,133.12 and 31,563.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,452.80 : 158,133.12 = 31,563.52 : x
2. Step 2: Convert to fraction form
   105,452.80/158,133.12 = 31,563.52/x
3. Step 3: Cross multiply
   105,452.80x = 158,133.12 × 31,563.52
4. Step 4: Simplify right side
   105,452.80x = 4,991,237,895.78
5. Step 5: Solve for x
   x = 4,991,237,895.78/105,452.80
6. Step 6: Final answer
   x = 47,331.49