Finding the Fourth Proportional to 72,297,452.34, 99,766,891.89 and 40,930,623.54

Step by Step Solution

1. Step 1: Write the proportion equation
   72,297,452.34 : 99,766,891.89 = 40,930,623.54 : x
2. Step 2: Convert to fraction form
   72,297,452.34/99,766,891.89 = 40,930,623.54/x
3. Step 3: Cross multiply
   72,297,452.34x = 99,766,891.89 × 40,930,623.54
4. Step 4: Simplify right side
   72,297,452.34x = 4,083,521,093,705,469
5. Step 5: Solve for x
   x = 4,083,521,093,705,469/72,297,452.34
6. Step 6: Final answer
   x = 56,482,226.71