Finding the Fourth Proportional to 1,723,308.10, 2,584,962.15 and 443,913.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,723,308.10 : 2,584,962.15 = 443,913.10 : x
2. Step 2: Convert to fraction form
   1,723,308.10/2,584,962.15 = 443,913.10/x
3. Step 3: Cross multiply
   1,723,308.10x = 2,584,962.15 × 443,913.10
4. Step 4: Simplify right side
   1,723,308.10x = 1,147,498,561,389.16
5. Step 5: Solve for x
   x = 1,147,498,561,389.16/1,723,308.10
6. Step 6: Final answer
   x = 665,869.65