Finding the Fourth Proportional to 123,499,369.37, 185,305,624.91 and 53,491,010.62

Step by Step Solution

1. Step 1: Write the proportion equation
   123,499,369.37 : 185,305,624.91 = 53,491,010.62 : x
2. Step 2: Convert to fraction form
   123,499,369.37/185,305,624.91 = 53,491,010.62/x
3. Step 3: Cross multiply
   123,499,369.37x = 185,305,624.91 × 53,491,010.62
4. Step 4: Simplify right side
   123,499,369.37x = 9,912,185,150,006,546
5. Step 5: Solve for x
   x = 9,912,185,150,006,546/123,499,369.37
6. Step 6: Final answer
   x = 80,261,018.34