Finding the Fourth Proportional to 468,687.42, 646,785 and 253,822.50

Step by Step Solution

1. Step 1: Write the proportion equation
   468,687.42 : 646,785 = 253,822.50 : x
2. Step 2: Convert to fraction form
   468,687.42/646,785 = 253,822.50/x
3. Step 3: Cross multiply
   468,687.42x = 646,785 × 253,822.50
4. Step 4: Simplify right side
   468,687.42x = 164,168,585,662.50
5. Step 5: Solve for x
   x = 164,168,585,662.50/468,687.42
6. Step 6: Final answer
   x = 350,273.08