Finding the Fourth Proportional to 77,183.87, 115,969.59 and 49,116.15

Step by Step Solution

1. Step 1: Write the proportion equation
   77,183.87 : 115,969.59 = 49,116.15 : x
2. Step 2: Convert to fraction form
   77,183.87/115,969.59 = 49,116.15/x
3. Step 3: Cross multiply
   77,183.87x = 115,969.59 × 49,116.15
4. Step 4: Simplify right side
   77,183.87x = 5,695,979,777.88
5. Step 5: Solve for x
   x = 5,695,979,777.88/77,183.87
6. Step 6: Final answer
   x = 73,797.55