Finding the Fourth Proportional to 648,002.05, 894,243.39 and 361,522.19

Step by Step Solution

1. Step 1: Write the proportion equation
   648,002.05 : 894,243.39 = 361,522.19 : x
2. Step 2: Convert to fraction form
   648,002.05/894,243.39 = 361,522.19/x
3. Step 3: Cross multiply
   648,002.05x = 894,243.39 × 361,522.19
4. Step 4: Simplify right side
   648,002.05x = 323,288,830,981.43
5. Step 5: Solve for x
   x = 323,288,830,981.43/648,002.05
6. Step 6: Final answer
   x = 498,900.94