Finding the Fourth Proportional to 636,499.56, 954,678 and 163,196.04

Step by Step Solution

1. Step 1: Write the proportion equation
   636,499.56 : 954,678 = 163,196.04 : x
2. Step 2: Convert to fraction form
   636,499.56/954,678 = 163,196.04/x
3. Step 3: Cross multiply
   636,499.56x = 954,678 × 163,196.04
4. Step 4: Simplify right side
   636,499.56x = 155,799,669,075.12
5. Step 5: Solve for x
   x = 155,799,669,075.12/636,499.56
6. Step 6: Final answer
   x = 244,775.77