Finding the Fourth Proportional to 80,753,149.98, 111,439,799.73 and 45,945,839.70

Step by Step Solution

1. Step 1: Write the proportion equation
   80,753,149.98 : 111,439,799.73 = 45,945,839.70 : x
2. Step 2: Convert to fraction form
   80,753,149.98/111,439,799.73 = 45,945,839.70/x
3. Step 3: Cross multiply
   80,753,149.98x = 111,439,799.73 × 45,945,839.70
4. Step 4: Simplify right side
   80,753,149.98x = 5,120,195,174,594,684
5. Step 5: Solve for x
   x = 5,120,195,174,594,684/80,753,149.98
6. Step 6: Final answer
   x = 63,405,516.39