Finding the Fourth Proportional to 3,666,456.05, 5,499,894.25 and 970,711.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,666,456.05 : 5,499,894.25 = 970,711.21 : x
2. Step 2: Convert to fraction form
   3,666,456.05/5,499,894.25 = 970,711.21/x
3. Step 3: Cross multiply
   3,666,456.05x = 5,499,894.25 × 970,711.21
4. Step 4: Simplify right side
   3,666,456.05x = 5,338,809,002,289.54
5. Step 5: Solve for x
   x = 5,338,809,002,289.54/3,666,456.05
6. Step 6: Final answer
   x = 1,456,122.46