Finding the Fourth Proportional to 77,322.39, 115,786.69 and 50,947.17

Step by Step Solution

1. Step 1: Write the proportion equation
   77,322.39 : 115,786.69 = 50,947.17 : x
2. Step 2: Convert to fraction form
   77,322.39/115,786.69 = 50,947.17/x
3. Step 3: Cross multiply
   77,322.39x = 115,786.69 × 50,947.17
4. Step 4: Simplify right side
   77,322.39x = 5,899,004,179.17
5. Step 5: Solve for x
   x = 5,899,004,179.17/77,322.39
6. Step 6: Final answer
   x = 76,291.02