Finding the Fourth Proportional to 645,037.02, 967,200.12 and 308,162.52

Step by Step Solution

1. Step 1: Write the proportion equation
   645,037.02 : 967,200.12 = 308,162.52 : x
2. Step 2: Convert to fraction form
   645,037.02/967,200.12 = 308,162.52/x
3. Step 3: Cross multiply
   645,037.02x = 967,200.12 × 308,162.52
4. Step 4: Simplify right side
   645,037.02x = 298,054,826,323.50
5. Step 5: Solve for x
   x = 298,054,826,323.50/645,037.02
6. Step 6: Final answer
   x = 462,073.99