Finding the Fourth Proportional to 16,021,138.81, 22,109,076.94 and 8,679,111.90

Step by Step Solution

1. Step 1: Write the proportion equation
   16,021,138.81 : 22,109,076.94 = 8,679,111.90 : x
2. Step 2: Convert to fraction form
   16,021,138.81/22,109,076.94 = 8,679,111.90/x
3. Step 3: Cross multiply
   16,021,138.81x = 22,109,076.94 × 8,679,111.90
4. Step 4: Simplify right side
   16,021,138.81x = 191,887,152,724,574.03
5. Step 5: Solve for x
   x = 191,887,152,724,574.03/16,021,138.81
6. Step 6: Final answer
   x = 11,977,123.17