Finding the Fourth Proportional to 834,978,843.14, 1,152,239,235.89 and 463,724,789.36

Step by Step Solution

1. Step 1: Write the proportion equation
   834,978,843.14 : 1,152,239,235.89 = 463,724,789.36 : x
2. Step 2: Convert to fraction form
   834,978,843.14/1,152,239,235.89 = 463,724,789.36/x
3. Step 3: Cross multiply
   834,978,843.14x = 1,152,239,235.89 × 463,724,789.36
4. Step 4: Simplify right side
   834,978,843.14x = 534,321,896,947,337,792
5. Step 5: Solve for x
   x = 534,321,896,947,337,792/834,978,843.14
6. Step 6: Final answer
   x = 639,922,677.49