Finding the Fourth Proportional to 360,499,086.50, 497,509,589.15 and 201,727,823.33

Step by Step Solution

1. Step 1: Write the proportion equation
   360,499,086.50 : 497,509,589.15 = 201,727,823.33 : x
2. Step 2: Convert to fraction form
   360,499,086.50/497,509,589.15 = 201,727,823.33/x
3. Step 3: Cross multiply
   360,499,086.50x = 497,509,589.15 × 201,727,823.33
4. Step 4: Simplify right side
   360,499,086.50x = 100,361,526,505,195,648
5. Step 5: Solve for x
   x = 100,361,526,505,195,648/360,499,086.50
6. Step 6: Final answer
   x = 278,396,063.30