Finding the Fourth Proportional to 76,171.82, 105,060.46 and 49,293.59

Step by Step Solution

1. Step 1: Write the proportion equation
   76,171.82 : 105,060.46 = 49,293.59 : x
2. Step 2: Convert to fraction form
   76,171.82/105,060.46 = 49,293.59/x
3. Step 3: Cross multiply
   76,171.82x = 105,060.46 × 49,293.59
4. Step 4: Simplify right side
   76,171.82x = 5,178,807,240.45
5. Step 5: Solve for x
   x = 5,178,807,240.45/76,171.82
6. Step 6: Final answer
   x = 67,988.49