Finding the Fourth Proportional to 9,123,441.78, 12,588,995.28 and 5,541,183.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,123,441.78 : 12,588,995.28 = 5,541,183.48 : x
2. Step 2: Convert to fraction form
   9,123,441.78/12,588,995.28 = 5,541,183.48/x
3. Step 3: Cross multiply
   9,123,441.78x = 12,588,995.28 × 5,541,183.48
4. Step 4: Simplify right side
   9,123,441.78x = 69,757,932,675,333.98
5. Step 5: Solve for x
   x = 69,757,932,675,333.98/9,123,441.78
6. Step 6: Final answer
   x = 7,646,010.61