Finding the Fourth Proportional to 822,770.72, 1,135,408.56 and 465,074.72

Step by Step Solution

1. Step 1: Write the proportion equation
   822,770.72 : 1,135,408.56 = 465,074.72 : x
2. Step 2: Convert to fraction form
   822,770.72/1,135,408.56 = 465,074.72/x
3. Step 3: Cross multiply
   822,770.72x = 1,135,408.56 × 465,074.72
4. Step 4: Simplify right side
   822,770.72x = 528,049,818,127.60
5. Step 5: Solve for x
   x = 528,049,818,127.60/822,770.72
6. Step 6: Final answer
   x = 641,794.62