Finding the Fourth Proportional to 578,488.99, 798,308.72 and 323,842.27

Step by Step Solution

1. Step 1: Write the proportion equation
   578,488.99 : 798,308.72 = 323,842.27 : x
2. Step 2: Convert to fraction form
   578,488.99/798,308.72 = 323,842.27/x
3. Step 3: Cross multiply
   578,488.99x = 798,308.72 × 323,842.27
4. Step 4: Simplify right side
   578,488.99x = 258,526,106,426.38
5. Step 5: Solve for x
   x = 258,526,106,426.38/578,488.99
6. Step 6: Final answer
   x = 446,898.92