Finding the Fourth Proportional to 296,744.10, 445,116.70 and 72,104.72

Step by Step Solution

1. Step 1: Write the proportion equation
   296,744.10 : 445,116.70 = 72,104.72 : x
2. Step 2: Convert to fraction form
   296,744.10/445,116.70 = 72,104.72/x
3. Step 3: Cross multiply
   296,744.10x = 445,116.70 × 72,104.72
4. Step 4: Simplify right side
   296,744.10x = 32,095,015,020.82
5. Step 5: Solve for x
   x = 32,095,015,020.82/296,744.10
6. Step 6: Final answer
   x = 108,157.21