Finding the Fourth Proportional to 105,039, 157,584.42 and 31,167

Step by Step Solution

1. Step 1: Write the proportion equation
   105,039 : 157,584.42 = 31,167 : x
2. Step 2: Convert to fraction form
   105,039/157,584.42 = 31,167/x
3. Step 3: Cross multiply
   105,039x = 157,584.42 × 31,167
4. Step 4: Simplify right side
   105,039x = 4,911,433,618.14
5. Step 5: Solve for x
   x = 4,911,433,618.14/105,039
6. Step 6: Final answer
   x = 46,758.19