Finding the Fourth Proportional to 465,701, 642,667.38 and 253,733

Step by Step Solution

1. Step 1: Write the proportion equation
   465,701 : 642,667.38 = 253,733 : x
2. Step 2: Convert to fraction form
   465,701/642,667.38 = 253,733/x
3. Step 3: Cross multiply
   465,701x = 642,667.38 × 253,733
4. Step 4: Simplify right side
   465,701x = 163,065,922,329.54
5. Step 5: Solve for x
   x = 163,065,922,329.54/465,701
6. Step 6: Final answer
   x = 350,151.54