Finding the Fourth Proportional to 443,995,162.34, 612,700,022.49 and 245,764,782.50

Step by Step Solution

1. Step 1: Write the proportion equation
   443,995,162.34 : 612,700,022.49 = 245,764,782.50 : x
2. Step 2: Convert to fraction form
   443,995,162.34/612,700,022.49 = 245,764,782.50/x
3. Step 3: Cross multiply
   443,995,162.34x = 612,700,022.49 × 245,764,782.50
4. Step 4: Simplify right side
   443,995,162.34x = 150,580,087,764,999,968
5. Step 5: Solve for x
   x = 150,580,087,764,999,968/443,995,162.34
6. Step 6: Final answer
   x = 339,148,037.04