Finding the Fourth Proportional to 296,744.85, 445,117.83 and 72,105.47

Step by Step Solution

1. Step 1: Write the proportion equation
   296,744.85 : 445,117.83 = 72,105.47 : x
2. Step 2: Convert to fraction form
   296,744.85/445,117.83 = 72,105.47/x
3. Step 3: Cross multiply
   296,744.85x = 445,117.83 × 72,105.47
4. Step 4: Simplify right side
   296,744.85x = 32,095,429,977.00
5. Step 5: Solve for x
   x = 32,095,429,977.00/296,744.85
6. Step 6: Final answer
   x = 108,158.34