Finding the Fourth Proportional to 105,620.16, 158,454.96 and 30,741.96

Step by Step Solution

1. Step 1: Write the proportion equation
   105,620.16 : 158,454.96 = 30,741.96 : x
2. Step 2: Convert to fraction form
   105,620.16/158,454.96 = 30,741.96/x
3. Step 3: Cross multiply
   105,620.16x = 158,454.96 × 30,741.96
4. Step 4: Simplify right side
   105,620.16x = 4,871,216,042.12
5. Step 5: Solve for x
   x = 4,871,216,042.12/105,620.16
6. Step 6: Final answer
   x = 46,120.14