Finding the Fourth Proportional to 1,224,957.62, 1,837,681.69 and 685,980.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,957.62 : 1,837,681.69 = 685,980.37 : x
2. Step 2: Convert to fraction form
   1,224,957.62/1,837,681.69 = 685,980.37/x
3. Step 3: Cross multiply
   1,224,957.62x = 1,837,681.69 × 685,980.37
4. Step 4: Simplify right side
   1,224,957.62x = 1,260,613,565,648.43
5. Step 5: Solve for x
   x = 1,260,613,565,648.43/1,224,957.62
6. Step 6: Final answer
   x = 1,029,107.91