Finding the Fourth Proportional to 481,100.76, 663,908.58 and 263,308.38

Step by Step Solution

1. Step 1: Write the proportion equation
   481,100.76 : 663,908.58 = 263,308.38 : x
2. Step 2: Convert to fraction form
   481,100.76/663,908.58 = 263,308.38/x
3. Step 3: Cross multiply
   481,100.76x = 663,908.58 × 263,308.38
4. Step 4: Simplify right side
   481,100.76x = 174,812,692,667.90
5. Step 5: Solve for x
   x = 174,812,692,667.90/481,100.76
6. Step 6: Final answer
   x = 363,359.83