Finding the Fourth Proportional to 1,404,348.69, 2,106,581.37 and 457,727.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,348.69 : 2,106,581.37 = 457,727.61 : x
2. Step 2: Convert to fraction form
   1,404,348.69/2,106,581.37 = 457,727.61/x
3. Step 3: Cross multiply
   1,404,348.69x = 2,106,581.37 × 457,727.61
4. Step 4: Simplify right side
   1,404,348.69x = 964,240,455,760.63
5. Step 5: Solve for x
   x = 964,240,455,760.63/1,404,348.69
6. Step 6: Final answer
   x = 686,610.43