Finding the Fourth Proportional to 76,169.82, 105,057.71 and 49,291.59

Step by Step Solution

1. Step 1: Write the proportion equation
   76,169.82 : 105,057.71 = 49,291.59 : x
2. Step 2: Convert to fraction form
   76,169.82/105,057.71 = 49,291.59/x
3. Step 3: Cross multiply
   76,169.82x = 105,057.71 × 49,291.59
4. Step 4: Simplify right side
   76,169.82x = 5,178,460,795.91
5. Step 5: Solve for x
   x = 5,178,460,795.91/76,169.82
6. Step 6: Final answer
   x = 67,985.73