Finding the Fourth Proportional to 250,485.15, 375,691.27 and 72,944.49

Step by Step Solution

1. Step 1: Write the proportion equation
   250,485.15 : 375,691.27 = 72,944.49 : x
2. Step 2: Convert to fraction form
   250,485.15/375,691.27 = 72,944.49/x
3. Step 3: Cross multiply
   250,485.15x = 375,691.27 × 72,944.49
4. Step 4: Simplify right side
   250,485.15x = 27,404,608,087.60
5. Step 5: Solve for x
   x = 27,404,608,087.60/250,485.15
6. Step 6: Final answer
   x = 109,406.12