Finding the Fourth Proportional to 105,043.82, 157,565.65 and 31,171.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,043.82 : 157,565.65 = 31,171.82 : x
2. Step 2: Convert to fraction form
   105,043.82/157,565.65 = 31,171.82/x
3. Step 3: Cross multiply
   105,043.82x = 157,565.65 × 31,171.82
4. Step 4: Simplify right side
   105,043.82x = 4,911,608,079.98
5. Step 5: Solve for x
   x = 4,911,608,079.98/105,043.82
6. Step 6: Final answer
   x = 46,757.71