Finding the Fourth Proportional to 1,135,404.86, 1,701,179.35 and 685,179.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,135,404.86 : 1,701,179.35 = 685,179.69 : x
2. Step 2: Convert to fraction form
   1,135,404.86/1,701,179.35 = 685,179.69/x
3. Step 3: Cross multiply
   1,135,404.86x = 1,701,179.35 × 685,179.69
4. Step 4: Simplify right side
   1,135,404.86x = 1,165,613,539,667.40
5. Step 5: Solve for x
   x = 1,165,613,539,667.40/1,135,404.86
6. Step 6: Final answer
   x = 1,026,606.09