Finding the Fourth Proportional to 16,021,556.91, 22,139,076.72 and 11,663,076.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,021,556.91 : 22,139,076.72 = 11,663,076.42 : x
2. Step 2: Convert to fraction form
   16,021,556.91/22,139,076.72 = 11,663,076.42/x
3. Step 3: Cross multiply
   16,021,556.91x = 22,139,076.72 × 11,663,076.42
4. Step 4: Simplify right side
   16,021,556.91x = 258,209,743,653,602.94
5. Step 5: Solve for x
   x = 258,209,743,653,602.94/16,021,556.91
6. Step 6: Final answer
   x = 16,116,395.25