Finding the Fourth Proportional to 76,654.70, 105,723.46 and 49,805.94

Step by Step Solution

1. Step 1: Write the proportion equation
   76,654.70 : 105,723.46 = 49,805.94 : x
2. Step 2: Convert to fraction form
   76,654.70/105,723.46 = 49,805.94/x
3. Step 3: Cross multiply
   76,654.70x = 105,723.46 × 49,805.94
4. Step 4: Simplify right side
   76,654.70x = 5,265,656,169.38
5. Step 5: Solve for x
   x = 5,265,656,169.38/76,654.70
6. Step 6: Final answer
   x = 68,693.19