Finding the Fourth Proportional to 263,443.05, 363,551.00 and 142,584.26

Step by Step Solution

1. Step 1: Write the proportion equation
   263,443.05 : 363,551.00 = 142,584.26 : x
2. Step 2: Convert to fraction form
   263,443.05/363,551.00 = 142,584.26/x
3. Step 3: Cross multiply
   263,443.05x = 363,551.00 × 142,584.26
4. Step 4: Simplify right side
   263,443.05x = 51,836,647,776.58
5. Step 5: Solve for x
   x = 51,836,647,776.58/263,443.05
6. Step 6: Final answer
   x = 196,766.05