Finding the Fourth Proportional to 132,011,850.78, 198,018,768.42 and 50,108,648.54

Step by Step Solution

1. Step 1: Write the proportion equation
   132,011,850.78 : 198,018,768.42 = 50,108,648.54 : x
2. Step 2: Convert to fraction form
   132,011,850.78/198,018,768.42 = 50,108,648.54/x
3. Step 3: Cross multiply
   132,011,850.78x = 198,018,768.42 × 50,108,648.54
4. Step 4: Simplify right side
   132,011,850.78x = 9,922,452,870,091,336
5. Step 5: Solve for x
   x = 9,922,452,870,091,336/132,011,850.78
6. Step 6: Final answer
   x = 75,163,349.44