Finding the Fourth Proportional to 72,377.12, 108,528.64 and 30,245.69

Step by Step Solution

1. Step 1: Write the proportion equation
   72,377.12 : 108,528.64 = 30,245.69 : x
2. Step 2: Convert to fraction form
   72,377.12/108,528.64 = 30,245.69/x
3. Step 3: Cross multiply
   72,377.12x = 108,528.64 × 30,245.69
4. Step 4: Simplify right side
   72,377.12x = 3,282,523,601.56
5. Step 5: Solve for x
   x = 3,282,523,601.56/72,377.12
6. Step 6: Final answer
   x = 45,353.06