Finding the Fourth Proportional to 105,776.86, 158,706.78 and 46,571

Step by Step Solution

1. Step 1: Write the proportion equation
   105,776.86 : 158,706.78 = 46,571 : x
2. Step 2: Convert to fraction form
   105,776.86/158,706.78 = 46,571/x
3. Step 3: Cross multiply
   105,776.86x = 158,706.78 × 46,571
4. Step 4: Simplify right side
   105,776.86x = 7,391,133,451.38
5. Step 5: Solve for x
   x = 7,391,133,451.38/105,776.86
6. Step 6: Final answer
   x = 69,874.77