Finding the Fourth Proportional to 360,499,513.43, 497,510,178.41 and 201,728,250.59

Step by Step Solution

1. Step 1: Write the proportion equation
   360,499,513.43 : 497,510,178.41 = 201,728,250.59 : x
2. Step 2: Convert to fraction form
   360,499,513.43/497,510,178.41 = 201,728,250.59/x
3. Step 3: Cross multiply
   360,499,513.43x = 497,510,178.41 × 201,728,250.59
4. Step 4: Simplify right side
   360,499,513.43x = 100,361,857,939,384,864
5. Step 5: Solve for x
   x = 100,361,857,939,384,864/360,499,513.43
6. Step 6: Final answer
   x = 278,396,652.98