Finding the Fourth Proportional to 1,309,336,451.37, 1,964,263,404.02 and 480,297,791.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,309,336,451.37 : 1,964,263,404.02 = 480,297,791.59 : x
2. Step 2: Convert to fraction form
   1,309,336,451.37/1,964,263,404.02 = 480,297,791.59/x
3. Step 3: Cross multiply
   1,309,336,451.37x = 1,964,263,404.02 × 480,297,791.59
4. Step 4: Simplify right side
   1,309,336,451.37x = 943,431,375,044,549,760
5. Step 5: Solve for x
   x = 943,431,375,044,549,760/1,309,336,451.37
6. Step 6: Final answer
   x = 720,541,594.99