Finding the Fourth Proportional to 659,162.56, 909,668.83 and 372,665.56

Step by Step Solution

1. Step 1: Write the proportion equation
   659,162.56 : 909,668.83 = 372,665.56 : x
2. Step 2: Convert to fraction form
   659,162.56/909,668.83 = 372,665.56/x
3. Step 3: Cross multiply
   659,162.56x = 909,668.83 × 372,665.56
4. Step 4: Simplify right side
   659,162.56x = 339,002,243,946.50
5. Step 5: Solve for x
   x = 339,002,243,946.50/659,162.56
6. Step 6: Final answer
   x = 514,292.32