Finding the Fourth Proportional to 326,662.72, 450,715.69 and 190,619.02

Step by Step Solution

1. Step 1: Write the proportion equation
   326,662.72 : 450,715.69 = 190,619.02 : x
2. Step 2: Convert to fraction form
   326,662.72/450,715.69 = 190,619.02/x
3. Step 3: Cross multiply
   326,662.72x = 450,715.69 × 190,619.02
4. Step 4: Simplify right side
   326,662.72x = 85,914,983,928.09
5. Step 5: Solve for x
   x = 85,914,983,928.09/326,662.72
6. Step 6: Final answer
   x = 263,008.23