Finding the Fourth Proportional to 2,166,196.24, 3,249,812.76 and 670,288.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,196.24 : 3,249,812.76 = 670,288.24 : x
2. Step 2: Convert to fraction form
   2,166,196.24/3,249,812.76 = 670,288.24/x
3. Step 3: Cross multiply
   2,166,196.24x = 3,249,812.76 × 670,288.24
4. Step 4: Simplify right side
   2,166,196.24x = 2,178,311,275,229.94
5. Step 5: Solve for x
   x = 2,178,311,275,229.94/2,166,196.24
6. Step 6: Final answer
   x = 1,005,592.77