Finding the Fourth Proportional to 114,591.60, 171,923.86 and 72,732.42

Step by Step Solution

1. Step 1: Write the proportion equation
   114,591.60 : 171,923.86 = 72,732.42 : x
2. Step 2: Convert to fraction form
   114,591.60/171,923.86 = 72,732.42/x
3. Step 3: Cross multiply
   114,591.60x = 171,923.86 × 72,732.42
4. Step 4: Simplify right side
   114,591.60x = 12,504,438,393.54
5. Step 5: Solve for x
   x = 12,504,438,393.54/114,591.60
6. Step 6: Final answer
   x = 109,121.77