Finding the Fourth Proportional to 481,581.48, 663,061.86 and 424,185

Step by Step Solution

1. Step 1: Write the proportion equation
   481,581.48 : 663,061.86 = 424,185 : x
2. Step 2: Convert to fraction form
   481,581.48/663,061.86 = 424,185/x
3. Step 3: Cross multiply
   481,581.48x = 663,061.86 × 424,185
4. Step 4: Simplify right side
   481,581.48x = 281,260,895,084.10
5. Step 5: Solve for x
   x = 281,260,895,084.10/481,581.48
6. Step 6: Final answer
   x = 584,035.95