Finding the Fourth Proportional to 603,145.89, 832,284.03 and 361,383.57

Step by Step Solution

1. Step 1: Write the proportion equation
   603,145.89 : 832,284.03 = 361,383.57 : x
2. Step 2: Convert to fraction form
   603,145.89/832,284.03 = 361,383.57/x
3. Step 3: Cross multiply
   603,145.89x = 832,284.03 × 361,383.57
4. Step 4: Simplify right side
   603,145.89x = 300,773,774,015.39
5. Step 5: Solve for x
   x = 300,773,774,015.39/603,145.89
6. Step 6: Final answer
   x = 498,675.00