Finding the Fourth Proportional to 49,570.82, 68,542.29 and 48,769.61

Step by Step Solution

1. Step 1: Write the proportion equation
   49,570.82 : 68,542.29 = 48,769.61 : x
2. Step 2: Convert to fraction form
   49,570.82/68,542.29 = 48,769.61/x
3. Step 3: Cross multiply
   49,570.82x = 68,542.29 × 48,769.61
4. Step 4: Simplify right side
   49,570.82x = 3,342,780,436.90
5. Step 5: Solve for x
   x = 3,342,780,436.90/49,570.82
6. Step 6: Final answer
   x = 67,434.43