Finding the Fourth Proportional to 554,662.56, 831,996.27 and 175,585.15

Step by Step Solution

1. Step 1: Write the proportion equation
   554,662.56 : 831,996.27 = 175,585.15 : x
2. Step 2: Convert to fraction form
   554,662.56/831,996.27 = 175,585.15/x
3. Step 3: Cross multiply
   554,662.56x = 831,996.27 × 175,585.15
4. Step 4: Simplify right side
   554,662.56x = 146,086,189,867.39
5. Step 5: Solve for x
   x = 146,086,189,867.39/554,662.56
6. Step 6: Final answer
   x = 263,378.49