Finding the Fourth Proportional to 77,086.58, 115,546.92 and 50,422.52

Step by Step Solution

1. Step 1: Write the proportion equation
   77,086.58 : 115,546.92 = 50,422.52 : x
2. Step 2: Convert to fraction form
   77,086.58/115,546.92 = 50,422.52/x
3. Step 3: Cross multiply
   77,086.58x = 115,546.92 × 50,422.52
4. Step 4: Simplify right side
   77,086.58x = 5,826,166,884.64
5. Step 5: Solve for x
   x = 5,826,166,884.64/77,086.58
6. Step 6: Final answer
   x = 75,579.52