Finding the Fourth Proportional to 105,543.68, 158,323.82 and 30,665.12

Step by Step Solution

1. Step 1: Write the proportion equation
   105,543.68 : 158,323.82 = 30,665.12 : x
2. Step 2: Convert to fraction form
   105,543.68/158,323.82 = 30,665.12/x
3. Step 3: Cross multiply
   105,543.68x = 158,323.82 × 30,665.12
4. Step 4: Simplify right side
   105,543.68x = 4,855,017,994.21
5. Step 5: Solve for x
   x = 4,855,017,994.21/105,543.68
6. Step 6: Final answer
   x = 46,000.08