Finding the Fourth Proportional to 105,392.41, 158,096.85 and 30,513.67

Step by Step Solution

1. Step 1: Write the proportion equation
   105,392.41 : 158,096.85 = 30,513.67 : x
2. Step 2: Convert to fraction form
   105,392.41/158,096.85 = 30,513.67/x
3. Step 3: Cross multiply
   105,392.41x = 158,096.85 × 30,513.67
4. Step 4: Simplify right side
   105,392.41x = 4,824,115,108.94
5. Step 5: Solve for x
   x = 4,824,115,108.94/105,392.41
6. Step 6: Final answer
   x = 45,772.89