Finding the Fourth Proportional to 453,059.82, 678,111.03 and 333,085.05

Step by Step Solution

1. Step 1: Write the proportion equation
   453,059.82 : 678,111.03 = 333,085.05 : x
2. Step 2: Convert to fraction form
   453,059.82/678,111.03 = 333,085.05/x
3. Step 3: Cross multiply
   453,059.82x = 678,111.03 × 333,085.05
4. Step 4: Simplify right side
   453,059.82x = 225,868,646,333.10
5. Step 5: Solve for x
   x = 225,868,646,333.10/453,059.82
6. Step 6: Final answer
   x = 498,540.45