Finding the Fourth Proportional to 16,021,139.06, 22,109,077.28 and 8,679,112.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,021,139.06 : 22,109,077.28 = 8,679,112.16 : x
2. Step 2: Convert to fraction form
   16,021,139.06/22,109,077.28 = 8,679,112.16/x
3. Step 3: Cross multiply
   16,021,139.06x = 22,109,077.28 × 8,679,112.16
4. Step 4: Simplify right side
   16,021,139.06x = 191,887,161,313,286.75
5. Step 5: Solve for x
   x = 191,887,161,313,286.75/16,021,139.06
6. Step 6: Final answer
   x = 11,977,123.52