Finding the Fourth Proportional to 259,745,144.99, 358,435,514.00 and 142,270,997.67

Step by Step Solution

1. Step 1: Write the proportion equation
   259,745,144.99 : 358,435,514.00 = 142,270,997.67 : x
2. Step 2: Convert to fraction form
   259,745,144.99/358,435,514.00 = 142,270,997.67/x
3. Step 3: Cross multiply
   259,745,144.99x = 358,435,514.00 × 142,270,997.67
4. Step 4: Simplify right side
   259,745,144.99x = 50,994,978,177,494,928
5. Step 5: Solve for x
   x = 50,994,978,177,494,928/259,745,144.99
6. Step 6: Final answer
   x = 196,326,973.43