Finding the Fourth Proportional to 105,546.93, 158,321.21 and 30,672.15

Step by Step Solution

1. Step 1: Write the proportion equation
   105,546.93 : 158,321.21 = 30,672.15 : x
2. Step 2: Convert to fraction form
   105,546.93/158,321.21 = 30,672.15/x
3. Step 3: Cross multiply
   105,546.93x = 158,321.21 × 30,672.15
4. Step 4: Simplify right side
   105,546.93x = 4,856,051,747.94
5. Step 5: Solve for x
   x = 4,856,051,747.94/105,546.93
6. Step 6: Final answer
   x = 46,008.46