Finding the Fourth Proportional to 1,034,547.62, 1,427,873.29 and 685,072.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034,547.62 : 1,427,873.29 = 685,072.05 : x
2. Step 2: Convert to fraction form
   1,034,547.62/1,427,873.29 = 685,072.05/x
3. Step 3: Cross multiply
   1,034,547.62x = 1,427,873.29 × 685,072.05
4. Step 4: Simplify right side
   1,034,547.62x = 978,196,081,920.55
5. Step 5: Solve for x
   x = 978,196,081,920.55/1,034,547.62
6. Step 6: Final answer
   x = 945,530.26