Finding the Fourth Proportional to 394,764,086.15, 592,236,942.58 and 132,483,441.82

Step by Step Solution

1. Step 1: Write the proportion equation
   394,764,086.15 : 592,236,942.58 = 132,483,441.82 : x
2. Step 2: Convert to fraction form
   394,764,086.15/592,236,942.58 = 132,483,441.82/x
3. Step 3: Cross multiply
   394,764,086.15x = 592,236,942.58 × 132,483,441.82
4. Step 4: Simplify right side
   394,764,086.15x = 78,461,588,525,952,112
5. Step 5: Solve for x
   x = 78,461,588,525,952,112/394,764,086.15
6. Step 6: Final answer
   x = 198,755,639.83