Finding the Fourth Proportional to 5,605,945.49, 7,728,142.61 and 3,993,514.13

Step by Step Solution

1. Step 1: Write the proportion equation
   5,605,945.49 : 7,728,142.61 = 3,993,514.13 : x
2. Step 2: Convert to fraction form
   5,605,945.49/7,728,142.61 = 3,993,514.13/x
3. Step 3: Cross multiply
   5,605,945.49x = 7,728,142.61 × 3,993,514.13
4. Step 4: Simplify right side
   5,605,945.49x = 30,862,446,653,081.80
5. Step 5: Solve for x
   x = 30,862,446,653,081.80/5,605,945.49
6. Step 6: Final answer
   x = 5,505,306.24