Finding the Fourth Proportional to 398,834,353.82, 550,483,241.33 and 233,875,067.42

Step by Step Solution

1. Step 1: Write the proportion equation
   398,834,353.82 : 550,483,241.33 = 233,875,067.42 : x
2. Step 2: Convert to fraction form
   398,834,353.82/550,483,241.33 = 233,875,067.42/x
3. Step 3: Cross multiply
   398,834,353.82x = 550,483,241.33 × 233,875,067.42
4. Step 4: Simplify right side
   398,834,353.82x = 128,744,305,179,633,888
5. Step 5: Solve for x
   x = 128,744,305,179,633,888/398,834,353.82
6. Step 6: Final answer
   x = 322,801,443.62