Finding the Fourth Proportional to 11,860,123.01, 17,786,694.56 and 5,379,449.09

Step by Step Solution

1. Step 1: Write the proportion equation
   11,860,123.01 : 17,786,694.56 = 5,379,449.09 : x
2. Step 2: Convert to fraction form
   11,860,123.01/17,786,694.56 = 5,379,449.09/x
3. Step 3: Cross multiply
   11,860,123.01x = 17,786,694.56 × 5,379,449.09
4. Step 4: Simplify right side
   11,860,123.01x = 95,682,617,749,069.23
5. Step 5: Solve for x
   x = 95,682,617,749,069.23/11,860,123.01
6. Step 6: Final answer
   x = 8,067,590.67