Finding the Fourth Proportional to 470,162,846.76, 648,786,162.25 and 276,790,870.00

Step by Step Solution

1. Step 1: Write the proportion equation
   470,162,846.76 : 648,786,162.25 = 276,790,870.00 : x
2. Step 2: Convert to fraction form
   470,162,846.76/648,786,162.25 = 276,790,870.00/x
3. Step 3: Cross multiply
   470,162,846.76x = 648,786,162.25 × 276,790,870.00
4. Step 4: Simplify right side
   470,162,846.76x = 179,578,086,288,510,784
5. Step 5: Solve for x
   x = 179,578,086,288,510,784/470,162,846.76
6. Step 6: Final answer
   x = 381,948,696.13