Finding the Fourth Proportional to 2,177,288.24, 3,004,760.27 and 1,210,434.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,177,288.24 : 3,004,760.27 = 1,210,434.66 : x
2. Step 2: Convert to fraction form
   2,177,288.24/3,004,760.27 = 1,210,434.66/x
3. Step 3: Cross multiply
   2,177,288.24x = 3,004,760.27 × 1,210,434.66
4. Step 4: Simplify right side
   2,177,288.24x = 3,637,065,978,825.04
5. Step 5: Solve for x
   x = 3,637,065,978,825.04/2,177,288.24
6. Step 6: Final answer
   x = 1,670,456.82