Finding the Fourth Proportional to 89,498,868.50, 123,507,198.18 and 50,340,671.76

Step by Step Solution

1. Step 1: Write the proportion equation
   89,498,868.50 : 123,507,198.18 = 50,340,671.76 : x
2. Step 2: Convert to fraction form
   89,498,868.50/123,507,198.18 = 50,340,671.76/x
3. Step 3: Cross multiply
   89,498,868.50x = 123,507,198.18 × 50,340,671.76
4. Step 4: Simplify right side
   89,498,868.50x = 6,217,435,323,576,649
5. Step 5: Solve for x
   x = 6,217,435,323,576,649/89,498,868.50
6. Step 6: Final answer
   x = 69,469,429.37