Finding the Fourth Proportional to 162,644,550.72, 224,449,481.22 and 89,305,692.72

Step by Step Solution

1. Step 1: Write the proportion equation
   162,644,550.72 : 224,449,481.22 = 89,305,692.72 : x
2. Step 2: Convert to fraction form
   162,644,550.72/224,449,481.22 = 89,305,692.72/x
3. Step 3: Cross multiply
   162,644,550.72x = 224,449,481.22 × 89,305,692.72
4. Step 4: Simplify right side
   162,644,550.72x = 20,044,616,400,996,732
5. Step 5: Solve for x
   x = 20,044,616,400,996,732/162,644,550.72
6. Step 6: Final answer
   x = 123,241,856.63