Finding the Fourth Proportional to 296,884.72, 445,327.98 and 72,245.19

Step by Step Solution

1. Step 1: Write the proportion equation
   296,884.72 : 445,327.98 = 72,245.19 : x
2. Step 2: Convert to fraction form
   296,884.72/445,327.98 = 72,245.19/x
3. Step 3: Cross multiply
   296,884.72x = 445,327.98 × 72,245.19
4. Step 4: Simplify right side
   296,884.72x = 32,172,804,527.42
5. Step 5: Solve for x
   x = 32,172,804,527.42/296,884.72
6. Step 6: Final answer
   x = 108,368.00