Finding the Fourth Proportional to 105,572.62, 158,359.05 and 31,700.62

Step by Step Solution

1. Step 1: Write the proportion equation
   105,572.62 : 158,359.05 = 31,700.62 : x
2. Step 2: Convert to fraction form
   105,572.62/158,359.05 = 31,700.62/x
3. Step 3: Cross multiply
   105,572.62x = 158,359.05 × 31,700.62
4. Step 4: Simplify right side
   105,572.62x = 5,020,080,067.61
5. Step 5: Solve for x
   x = 5,020,080,067.61/105,572.62
6. Step 6: Final answer
   x = 47,550.97