Finding the Fourth Proportional to 296,771.75, 445,153.61 and 72,131.52

Step by Step Solution

1. Step 1: Write the proportion equation
   296,771.75 : 445,153.61 = 72,131.52 : x
2. Step 2: Convert to fraction form
   296,771.75/445,153.61 = 72,131.52/x
3. Step 3: Cross multiply
   296,771.75x = 445,153.61 × 72,131.52
4. Step 4: Simplify right side
   296,771.75x = 32,109,605,462.71
5. Step 5: Solve for x
   x = 32,109,605,462.71/296,771.75
6. Step 6: Final answer
   x = 108,196.30