Finding the Fourth Proportional to 131,147,131.50, 196,730,145.12 and 50,368,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,147,131.50 : 196,730,145.12 = 50,368,099.50 : x
2. Step 2: Convert to fraction form
   131,147,131.50/196,730,145.12 = 50,368,099.50/x
3. Step 3: Cross multiply
   131,147,131.50x = 196,730,145.12 × 50,368,099.50
4. Step 4: Simplify right side
   131,147,131.50x = 9,908,923,524,053,600
5. Step 5: Solve for x
   x = 9,908,923,524,053,600/131,147,131.50
6. Step 6: Final answer
   x = 75,555,777.78