Finding the Fourth Proportional to 578,967.34, 799,005.72 and 320,872.52

Step by Step Solution

1. Step 1: Write the proportion equation
   578,967.34 : 799,005.72 = 320,872.52 : x
2. Step 2: Convert to fraction form
   578,967.34/799,005.72 = 320,872.52/x
3. Step 3: Cross multiply
   578,967.34x = 799,005.72 × 320,872.52
4. Step 4: Simplify right side
   578,967.34x = 256,378,978,870.81
5. Step 5: Solve for x
   x = 256,378,978,870.81/578,967.34
6. Step 6: Final answer
   x = 442,821.14