Finding the Fourth Proportional to 975,466.20, 1,462,215.15 and 443,369.10

Step by Step Solution

1. Step 1: Write the proportion equation
   975,466.20 : 1,462,215.15 = 443,369.10 : x
2. Step 2: Convert to fraction form
   975,466.20/1,462,215.15 = 443,369.10/x
3. Step 3: Cross multiply
   975,466.20x = 1,462,215.15 × 443,369.10
4. Step 4: Simplify right side
   975,466.20x = 648,301,015,061.87
5. Step 5: Solve for x
   x = 648,301,015,061.87/975,466.20
6. Step 6: Final answer
   x = 664,606.33