Finding the Fourth Proportional to 807,383,123.58, 1,114,189,137.54 and 436,105,154.28

Step by Step Solution

1. Step 1: Write the proportion equation
   807,383,123.58 : 1,114,189,137.54 = 436,105,154.28 : x
2. Step 2: Convert to fraction form
   807,383,123.58/1,114,189,137.54 = 436,105,154.28/x
3. Step 3: Cross multiply
   807,383,123.58x = 1,114,189,137.54 × 436,105,154.28
4. Step 4: Simplify right side
   807,383,123.58x = 485,903,625,723,981,760
5. Step 5: Solve for x
   x = 485,903,625,723,981,760/807,383,123.58
6. Step 6: Final answer
   x = 601,825,343.55