Finding the Fourth Proportional to 1,034,546.62, 1,427,871.91 and 685,071.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034,546.62 : 1,427,871.91 = 685,071.05 : x
2. Step 2: Convert to fraction form
   1,034,546.62/1,427,871.91 = 685,071.05/x
3. Step 3: Cross multiply
   1,034,546.62x = 1,427,871.91 × 685,071.05
4. Step 4: Simplify right side
   1,034,546.62x = 978,193,707,064.89
5. Step 5: Solve for x
   x = 978,193,707,064.89/1,034,546.62
6. Step 6: Final answer
   x = 945,528.88