Finding the Fourth Proportional to 747,477.50, 1,031,504.56 and 407,948.18

Step by Step Solution

1. Step 1: Write the proportion equation
   747,477.50 : 1,031,504.56 = 407,948.18 : x
2. Step 2: Convert to fraction form
   747,477.50/1,031,504.56 = 407,948.18/x
3. Step 3: Cross multiply
   747,477.50x = 1,031,504.56 × 407,948.18
4. Step 4: Simplify right side
   747,477.50x = 420,800,401,736.31
5. Step 5: Solve for x
   x = 420,800,401,736.31/747,477.50
6. Step 6: Final answer
   x = 562,960.63