Finding the Fourth Proportional to 1,321,462,570.38, 1,981,769,493.33 and 435,948,875.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,321,462,570.38 : 1,981,769,493.33 = 435,948,875.34 : x
2. Step 2: Convert to fraction form
   1,321,462,570.38/1,981,769,493.33 = 435,948,875.34/x
3. Step 3: Cross multiply
   1,321,462,570.38x = 1,981,769,493.33 × 435,948,875.34
4. Step 4: Simplify right side
   1,321,462,570.38x = 863,950,181,800,335,104
5. Step 5: Solve for x
   x = 863,950,181,800,335,104/1,321,462,570.38
6. Step 6: Final answer
   x = 653,783,316.43