Finding the Fourth Proportional to 105,462.80, 158,148.12 and 31,573.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,462.80 : 158,148.12 = 31,573.52 : x
2. Step 2: Convert to fraction form
   105,462.80/158,148.12 = 31,573.52/x
3. Step 3: Cross multiply
   105,462.80x = 158,148.12 × 31,573.52
4. Step 4: Simplify right side
   105,462.80x = 4,993,292,829.78
5. Step 5: Solve for x
   x = 4,993,292,829.78/105,462.80
6. Step 6: Final answer
   x = 47,346.48