Finding the Fourth Proportional to 105,631.06, 158,472.51 and 30,751.88

Step by Step Solution

1. Step 1: Write the proportion equation
   105,631.06 : 158,472.51 = 30,751.88 : x
2. Step 2: Convert to fraction form
   105,631.06/158,472.51 = 30,751.88/x
3. Step 3: Cross multiply
   105,631.06x = 158,472.51 × 30,751.88
4. Step 4: Simplify right side
   105,631.06x = 4,873,327,115.59
5. Step 5: Solve for x
   x = 4,873,327,115.59/105,631.06
6. Step 6: Final answer
   x = 46,135.36