Finding the Fourth Proportional to 968,550.72, 1,336,581.60 and 538,829.52

Step by Step Solution

1. Step 1: Write the proportion equation
   968,550.72 : 1,336,581.60 = 538,829.52 : x
2. Step 2: Convert to fraction form
   968,550.72/1,336,581.60 = 538,829.52/x
3. Step 3: Cross multiply
   968,550.72x = 1,336,581.60 × 538,829.52
4. Step 4: Simplify right side
   968,550.72x = 720,189,621,968.83
5. Step 5: Solve for x
   x = 720,189,621,968.83/968,550.72
6. Step 6: Final answer
   x = 743,574.50