Finding the Fourth Proportional to 80,538,150.34, 111,139,519.18 and 49,228,622.31

Step by Step Solution

1. Step 1: Write the proportion equation
   80,538,150.34 : 111,139,519.18 = 49,228,622.31 : x
2. Step 2: Convert to fraction form
   80,538,150.34/111,139,519.18 = 49,228,622.31/x
3. Step 3: Cross multiply
   80,538,150.34x = 111,139,519.18 × 49,228,622.31
4. Step 4: Simplify right side
   80,538,150.34x = 5,471,245,413,181,078
5. Step 5: Solve for x
   x = 5,471,245,413,181,078/80,538,150.34
6. Step 6: Final answer
   x = 67,933,586.63