Finding the Fourth Proportional to 1,485,194.29, 2,227,434.73 and 685,707.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485,194.29 : 2,227,434.73 = 685,707.69 : x
2. Step 2: Convert to fraction form
   1,485,194.29/2,227,434.73 = 685,707.69/x
3. Step 3: Cross multiply
   1,485,194.29x = 2,227,434.73 × 685,707.69
4. Step 4: Simplify right side
   1,485,194.29x = 1,527,369,112,196.90
5. Step 5: Solve for x
   x = 1,527,369,112,196.90/1,485,194.29
6. Step 6: Final answer
   x = 1,028,396.84