Finding the Fourth Proportional to 704,328, 1,056,647.52 and 261,096

Step by Step Solution

1. Step 1: Write the proportion equation
   704,328 : 1,056,647.52 = 261,096 : x
2. Step 2: Convert to fraction form
   704,328/1,056,647.52 = 261,096/x
3. Step 3: Cross multiply
   704,328x = 1,056,647.52 × 261,096
4. Step 4: Simplify right side
   704,328x = 275,886,440,881.92
5. Step 5: Solve for x
   x = 275,886,440,881.92/704,328
6. Step 6: Final answer
   x = 391,701.65