Finding the Fourth Proportional to 581,099.72, 801,874.50 and 326,493.32

Step by Step Solution

1. Step 1: Write the proportion equation
   581,099.72 : 801,874.50 = 326,493.32 : x
2. Step 2: Convert to fraction form
   581,099.72/801,874.50 = 326,493.32/x
3. Step 3: Cross multiply
   581,099.72x = 801,874.50 × 326,493.32
4. Step 4: Simplify right side
   581,099.72x = 261,806,667,728.34
5. Step 5: Solve for x
   x = 261,806,667,728.34/581,099.72
6. Step 6: Final answer
   x = 450,536.56