Finding the Fourth Proportional to 713,300.50, 1,069,196.64 and 263,732.68

Step by Step Solution

1. Step 1: Write the proportion equation
   713,300.50 : 1,069,196.64 = 263,732.68 : x
2. Step 2: Convert to fraction form
   713,300.50/1,069,196.64 = 263,732.68/x
3. Step 3: Cross multiply
   713,300.50x = 1,069,196.64 × 263,732.68
4. Step 4: Simplify right side
   713,300.50x = 281,982,095,314.20
5. Step 5: Solve for x
   x = 281,982,095,314.20/713,300.50
6. Step 6: Final answer
   x = 395,320.20