Finding the Fourth Proportional to 603,665.71, 832,877.00 and 361,860.05

Step by Step Solution

1. Step 1: Write the proportion equation
   603,665.71 : 832,877.00 = 361,860.05 : x
2. Step 2: Convert to fraction form
   603,665.71/832,877.00 = 361,860.05/x
3. Step 3: Cross multiply
   603,665.71x = 832,877.00 × 361,860.05
4. Step 4: Simplify right side
   603,665.71x = 301,384,914,493.72
5. Step 5: Solve for x
   x = 301,384,914,493.72/603,665.71
6. Step 6: Final answer
   x = 499,257.97