Finding the Fourth Proportional to 2,196,344.39, 3,030,789.17 and 1,216,278.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196,344.39 : 3,030,789.17 = 1,216,278.60 : x
2. Step 2: Convert to fraction form
   2,196,344.39/3,030,789.17 = 1,216,278.60/x
3. Step 3: Cross multiply
   2,196,344.39x = 3,030,789.17 × 1,216,278.60
4. Step 4: Simplify right side
   2,196,344.39x = 3,686,284,002,501.37
5. Step 5: Solve for x
   x = 3,686,284,002,501.37/2,196,344.39
6. Step 6: Final answer
   x = 1,678,372.49